102315044 has 24 divisors (see below), whose sum is σ = 204168888. Its totient is φ = 44444160.

The previous prime is 102315043. The next prime is 102315067. The reversal of 102315044 is 440513201.

It can be written as a sum of positive squares in 4 ways, for example, as 62500 + 102252544 = 250^2 + 10112^2 .

It is not an unprimeable number, because it can be changed into a prime (102315043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56987 + ... + 58754.

It is an arithmetic number, because the mean of its divisors is an integer number (8507037).

Almost surely, 2^102315044 is an apocalyptic number.

It is an amenable number.

102315044 is a deficient number, since it is larger than the sum of its proper divisors (101853844).

102315044 is a wasteful number, since it uses less digits than its factorization.

102315044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115775 (or 115773 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 102315044 is about 10115.0899155667. The cubic root of 102315044 is about 467.7134206239.

Adding to 102315044 its reverse (440513201), we get a palindrome (542828245).

The spelling of 102315044 in words is "one hundred two million, three hundred fifteen thousand, forty-four".