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145001332 = 22743831451
BaseRepresentation
bin10001010010010…
…00101101110100
3101002211211102201
420221020231310
5244110020312
622215514244
73410330260
oct1051105564
9332754381
10145001332
1174938713
1240688984
132406b908
14153870a0
15cae3557
hex8a48b74

145001332 has 48 divisors (see below), whose sum is σ = 300529152. Its totient is φ = 59925600.

The previous prime is 145001317. The next prime is 145001341. The reversal of 145001332 is 233100541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99207 + ... + 100657.

It is an arithmetic number, because the mean of its divisors is an integer number (6261024).

Almost surely, 2145001332 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 145001332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150264576).

145001332 is an abundant number, since it is smaller than the sum of its proper divisors (155527820).

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

145001332 is a wasteful number, since it uses less digits than its factorization.

145001332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1586 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 145001332 is about 12041.6498869549. The cubic root of 145001332 is about 525.3603959292.

Adding to 145001332 its reverse (233100541), we get a palindrome (378101873).

The spelling of 145001332 in words is "one hundred forty-five million, one thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 43 83 86 166 172 301 332 581 602 1162 1204 1451 2324 2902 3569 5804 7138 10157 14276 20314 24983 40628 49966 62393 99932 120433 124786 240866 249572 436751 481732 843031 873502 1686062 1747004 3372124 5178619 10357238 20714476 36250333 72500666 145001332