97145752 has 32 divisors (see below), whose sum is σ = 210399120. Its totient is φ = 41559040.

The previous prime is 97145749. The next prime is 97145753. The reversal of 97145752 is 25754179.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97145753) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30973 + ... + 33964.

Almost surely, 2^97145752 is an apocalyptic number.

It is an amenable number.

97145752 is an abundant number, since it is smaller than the sum of its proper divisors (113253368).

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

97145752 is a wasteful number, since it uses less digits than its factorization.

97145752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64971 (or 64967 counting only the distinct ones).

The product of its digits is 88200, while the sum is 40.

The square root of 97145752 is about 9856.2544610009. The cubic root of 97145752 is about 459.7001069873.

The spelling of 97145752 in words is "ninety-seven million, one hundred forty-five thousand, seven hundred fifty-two".