102540032 has 36 divisors (see below), whose sum is σ = 233923536. Its totient is φ = 43944960.

The previous prime is 102540019. The next prime is 102540047. The reversal of 102540032 is 230045201.

It is a super-2 number, since 2×102540032² = 21028916325122048, which contains 22 as substring.

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, 26819 + ... + 30402.

It is an arithmetic number, because the mean of its divisors is an integer number (6497876).

Almost surely, 2^102540032 is an apocalyptic number.

It is an amenable number.

102540032 is an abundant number, since it is smaller than the sum of its proper divisors (131383504).

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

102540032 is an frugal number, since it uses more digits than its factorization.

102540032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57244 (or 57230 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 102540032 is about 10126.2052122204. The cubic root of 102540032 is about 468.0559993379.

Adding to 102540032 its reverse (230045201), we get a palindrome (332585233).

The spelling of 102540032 in words is "one hundred two million, five hundred forty thousand, thirty-two".