102150556 has 6 divisors (see below), whose sum is σ = 178763480. Its totient is φ = 51075276.

The previous prime is 102150553. The next prime is 102150563. The reversal of 102150556 is 655051201.

It is a super-2 number, since 2×102150556² = 20869472182218272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102150556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102150553) 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 as a sum of consecutive naturals, namely, 12768816 + ... + 12768823.

Almost surely, 2^102150556 is an apocalyptic number.

It is an amenable number.

102150556 is a deficient number, since it is larger than the sum of its proper divisors (76612924).

102150556 is a wasteful number, since it uses less digits than its factorization.

102150556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25537643 (or 25537641 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 102150556 is about 10106.9558226006. The cubic root of 102150556 is about 467.4626445030.

The spelling of 102150556 in words is "one hundred two million, one hundred fifty thousand, five hundred fifty-six".