102151044 has 30 divisors (see below), whose sum is σ = 267043854. Its totient is φ = 34050240.

The previous prime is 102151033. The next prime is 102151057. The reversal of 102151044 is 440151201.

It can be written as a sum of positive squares in only one way, i.e., 101606400 + 544644 = 10080^2 + 738^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 157317 + ... + 157964.

Almost surely, 2^102151044 is an apocalyptic number.

It is an amenable number.

102151044 is an abundant number, since it is smaller than the sum of its proper divisors (164892810).

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

102151044 is a wasteful number, since it uses less digits than its factorization.

102151044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315297 (or 315286 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 102151044 is about 10106.9799643613. The cubic root of 102151044 is about 467.4633888990.

The spelling of 102151044 in words is "one hundred two million, one hundred fifty-one thousand, forty-four".