146972552 has 16 divisors (see below), whose sum is σ = 275702940. Its totient is φ = 73451776.

The previous prime is 146972549. The next prime is 146972561. The reversal of 146972552 is 255279641.

It can be written as a sum of positive squares in 2 ways, for example, as 146555236 + 417316 = 12106^2 + 646^2 .

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, 28268 + ... + 33060.

Almost surely, 2^146972552 is an apocalyptic number.

It is an amenable number.

146972552 is a deficient number, since it is larger than the sum of its proper divisors (128730388).

146972552 is a wasteful number, since it uses less digits than its factorization.

146972552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8632 (or 8628 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 146972552 is about 12123.2236636961. The cubic root of 146972552 is about 527.7303585721.

The spelling of 146972552 in words is "one hundred forty-six million, nine hundred seventy-two thousand, five hundred fifty-two".