102645074 has 16 divisors (see below), whose sum is σ = 176292288. Its totient is φ = 43908432.

The previous prime is 102645071. The next prime is 102645089. The reversal of 102645074 is 470546201.

It is a super-2 number, since 2×102645074² = 21072022432930952, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102645071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1217 + ... + 14379.

It is an arithmetic number, because the mean of its divisors is an integer number (11018268).

Almost surely, 2^102645074 is an apocalyptic number.

102645074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102645074 is a deficient number, since it is larger than the sum of its proper divisors (73647214).

102645074 is a wasteful number, since it uses less digits than its factorization.

102645074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13729.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 102645074 is about 10131.3905264776. The cubic root of 102645074 is about 468.2157703025.

The spelling of 102645074 in words is "one hundred two million, six hundred forty-five thousand, seventy-four".