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145413232 = 2419577829
BaseRepresentation
bin10001010101011…
…01010001110000
3101010121202110021
420222231101300
5244211210412
622232413224
73413664166
oct1052552160
9333552407
10145413232
117509a128
1240847214
1324184243
1415453236
15cb75607
hex8aad470

145413232 has 40 divisors (see below), whose sum is σ = 297438800. Its totient is φ = 68677632.

The previous prime is 145413217. The next prime is 145413269. The reversal of 145413232 is 232314541.

It is a super-2 number, since 2×1454132322 = 42290016081371648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145413197 and 145413206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174994 + ... + 175822.

It is an arithmetic number, because the mean of its divisors is an integer number (7435970).

Almost surely, 2145413232 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 145413232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148719400).

145413232 is an abundant number, since it is smaller than the sum of its proper divisors (152025568).

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

145413232 is a wasteful number, since it uses less digits than its factorization.

145413232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433 (or 1427 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 145413232 is about 12058.7408961301. The cubic root of 145413232 is about 525.8573830124.

Adding to 145413232 its reverse (232314541), we get a palindrome (377727773).

The spelling of 145413232 in words is "one hundred forty-five million, four hundred thirteen thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 19 38 76 152 304 577 829 1154 1658 2308 3316 4616 6632 9232 10963 13264 15751 21926 31502 43852 63004 87704 126008 175408 252016 478333 956666 1913332 3826664 7653328 9088327 18176654 36353308 72706616 145413232