102155302 has 16 divisors (see below), whose sum is σ = 156130992. Its totient is φ = 50117760.

The previous prime is 102155279. The next prime is 102155303. The reversal of 102155302 is 203551201.

It is a super-2 number, since 2×102155302² = 20871411453422408, 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 102155302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102155303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36298 + ... + 39010.

It is an arithmetic number, because the mean of its divisors is an integer number (9758187).

Almost surely, 2^102155302 is an apocalyptic number.

102155302 is a deficient number, since it is larger than the sum of its proper divisors (53975690).

102155302 is a wasteful number, since it uses less digits than its factorization.

102155302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 102155302 is about 10107.1906086706. The cubic root of 102155302 is about 467.4698839589.

The spelling of 102155302 in words is "one hundred two million, one hundred fifty-five thousand, three hundred two".