147697232 has 20 divisors (see below), whose sum is σ = 296032020. Its totient is φ = 71301888.

The previous prime is 147697213. The next prime is 147697247. The reversal of 147697232 is 232796741.

It can be written as a sum of positive squares in 2 ways, for example, as 69622336 + 78074896 = 8344^2 + 8836^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 147697232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158693 + ... + 159620.

It is an arithmetic number, because the mean of its divisors is an integer number (14801601).

Almost surely, 2^147697232 is an apocalyptic number.

It is an amenable number.

147697232 is an abundant number, since it is smaller than the sum of its proper divisors (148334788).

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

147697232 is a wasteful number, since it uses less digits than its factorization.

147697232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318350 (or 318344 counting only the distinct ones).

The product of its digits is 127008, while the sum is 41.

The square root of 147697232 is about 12153.0750018257. The cubic root of 147697232 is about 528.5962998349.

The spelling of 147697232 in words is "one hundred forty-seven million, six hundred ninety-seven thousand, two hundred thirty-two".