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145634632 = 231121371163
BaseRepresentation
bin10001010111000…
…11010101001000
3101011001000011021
420223203111020
5244240302012
622241242224
73415605523
oct1053432510
9334030137
10145634632
1175230500
1240933374
1324230c50
14154adbba
15cbbb007
hex8ae3548

145634632 has 96 divisors (see below), whose sum is σ = 329797440. Its totient is φ = 59875200.

The previous prime is 145634581. The next prime is 145634641. The reversal of 145634632 is 236436541.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 893383 + ... + 893545.

It is an arithmetic number, because the mean of its divisors is an integer number (3435390).

Almost surely, 2145634632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145634632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164898720).

145634632 is an abundant number, since it is smaller than the sum of its proper divisors (184162808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145634632 is a wasteful number, since it uses less digits than its factorization.

145634632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 260 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 145634632 is about 12067.9174674009. The cubic root of 145634632 is about 526.1241303712.

The spelling of 145634632 in words is "one hundred forty-five million, six hundred thirty-four thousand, six hundred thirty-two".

Divisors: 1 2 4 8 11 13 22 26 44 52 71 88 104 121 142 143 163 242 284 286 326 484 568 572 652 781 923 968 1144 1304 1562 1573 1793 1846 2119 3124 3146 3586 3692 4238 6248 6292 7172 7384 8476 8591 10153 11573 12584 14344 16952 17182 19723 20306 23146 23309 34364 39446 40612 46292 46618 68728 78892 81224 92584 93236 111683 127303 150449 157784 186472 223366 254606 256399 300898 446732 509212 512798 601796 893464 1018424 1025596 1203592 1400333 1654939 2051192 2800666 3309878 5601332 6619756 11202664 13239512 18204329 36408658 72817316 145634632