146620972 has 12 divisors (see below), whose sum is σ = 256821880. Its totient is φ = 73243296.

The previous prime is 146620963. The next prime is 146620997. The reversal of 146620972 is 279026641.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 11718 + ... + 20749.

Almost surely, 2^146620972 is an apocalyptic number.

It is an amenable number.

146620972 is a deficient number, since it is larger than the sum of its proper divisors (110200908).

146620972 is a wasteful number, since it uses less digits than its factorization.

146620972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33600 (or 33598 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 146620972 is about 12108.7147129660. The cubic root of 146620972 is about 527.3092196593.

The spelling of 146620972 in words is "one hundred forty-six million, six hundred twenty thousand, nine hundred seventy-two".