102015044 has 12 divisors (see below), whose sum is σ = 180107004. Its totient is φ = 50555904.

The previous prime is 102015041. The next prime is 102015073. The reversal of 102015044 is 440510201.

It can be written as a sum of positive squares in 2 ways, for example, as 22448644 + 79566400 = 4738^2 + 8920^2 .

It is not an unprimeable number, because it can be changed into a prime (102015041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112397 + ... + 113300.

It is an arithmetic number, because the mean of its divisors is an integer number (15008917).

Almost surely, 2^102015044 is an apocalyptic number.

It is an amenable number.

102015044 is a deficient number, since it is larger than the sum of its proper divisors (78091960).

102015044 is a wasteful number, since it uses less digits than its factorization.

102015044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225814 (or 225812 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 102015044 is about 10100.2496998837. The cubic root of 102015044 is about 467.2558424623.

Adding to 102015044 its reverse (440510201), we get a palindrome (542525245).

The spelling of 102015044 in words is "one hundred two million, fifteen thousand, forty-four".