97145500 has 48 divisors (see below), whose sum is σ = 214460064. Its totient is φ = 38438400.

The previous prime is 97145483. The next prime is 97145507. The reversal of 97145500 is 554179.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97145507) 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 15 ways as a sum of consecutive naturals, for example, 47499 + ... + 49501.

It is an arithmetic number, because the mean of its divisors is an integer number (4467918).

Almost surely, 2^97145500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97145500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107230032).

97145500 is an abundant number, since it is smaller than the sum of its proper divisors (117314564).

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

97145500 is a wasteful number, since it uses less digits than its factorization.

97145500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119 (or 2107 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 97145500 is about 9856.2416772317. The cubic root of 97145500 is about 459.6997094934.

Adding to 97145500 its reverse (554179), we get a palindrome (97699679).

The spelling of 97145500 in words is "ninety-seven million, one hundred forty-five thousand, five hundred".