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145860432 = 2439293271
BaseRepresentation
bin10001011000110…
…10011101010000
3101011110110220020
420230122131100
5244320013212
622250143440
73420536034
oct1054323520
9334413806
10145860432
1175375113
1240a21b80
13242ac963
141552c1c4
15cc12d8c
hex8b1a750

145860432 has 40 divisors (see below), whose sum is σ = 377327040. Its totient is φ = 48552960.

The previous prime is 145860431. The next prime is 145860437. The reversal of 145860432 is 234068541.

It is a junction number, because it is equal to n+sod(n) for n = 145860393 and 145860402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145860431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42957 + ... + 46227.

It is an arithmetic number, because the mean of its divisors is an integer number (9433176).

Almost surely, 2145860432 is an apocalyptic number.

145860432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145860432 is an abundant number, since it is smaller than the sum of its proper divisors (231466608).

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

145860432 is a wasteful number, since it uses less digits than its factorization.

145860432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211 (or 4205 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 145860432 is about 12077.2692277683. The cubic root of 145860432 is about 526.3959006280.

The spelling of 145860432 in words is "one hundred forty-five million, eight hundred sixty thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 929 1858 2787 3271 3716 5574 6542 7432 9813 11148 13084 14864 19626 22296 26168 39252 44592 52336 78504 157008 3038759 6077518 9116277 12155036 18232554 24310072 36465108 48620144 72930216 145860432