102645516 has 12 divisors (see below), whose sum is σ = 239506232. Its totient is φ = 34215168.

The previous prime is 102645463. The next prime is 102645547. The reversal of 102645516 is 615546201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×102645516² = 21072203909812512, which contains 22 as substring.

It is a zygodrome in base 2.

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, 4276885 + ... + 4276908.

Almost surely, 2^102645516 is an apocalyptic number.

It is an amenable number.

102645516 is an abundant number, since it is smaller than the sum of its proper divisors (136860716).

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

102645516 is a wasteful number, since it uses less digits than its factorization.

102645516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8553800 (or 8553798 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 102645516 is about 10131.4123398468. The cubic root of 102645516 is about 468.2164423629.

The spelling of 102645516 in words is "one hundred two million, six hundred forty-five thousand, five hundred sixteen".