145708732 has 12 divisors (see below), whose sum is σ = 274605016. Its totient is φ = 67250160.

The previous prime is 145708729. The next prime is 145708747. The reversal of 145708732 is 237807541.

It is a junction number, because it is equal to n+sod(n) for n = 145708691 and 145708700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400994 + ... + 1401097.

Almost surely, 2^145708732 is an apocalyptic number.

It is an amenable number.

145708732 is a deficient number, since it is larger than the sum of its proper divisors (128896284).

145708732 is a wasteful number, since it uses less digits than its factorization.

145708732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802108 (or 2802106 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 145708732 is about 12070.9872007222. The cubic root of 145708732 is about 526.2133472177.

The spelling of 145708732 in words is "one hundred forty-five million, seven hundred eight thousand, seven hundred thirty-two".