102487444 has 24 divisors (see below), whose sum is σ = 189504000. Its totient is φ = 48363840.

The previous prime is 102487433. The next prime is 102487453. The reversal of 102487444 is 444784201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18957 + ... + 23755.

It is an arithmetic number, because the mean of its divisors is an integer number (7896000).

Almost surely, 2^102487444 is an apocalyptic number.

It is an amenable number.

102487444 is a deficient number, since it is larger than the sum of its proper divisors (87016556).

102487444 is a wasteful number, since it uses less digits than its factorization.

102487444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103 (or 5101 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 34.

The square root of 102487444 is about 10123.6082500263. The cubic root of 102487444 is about 467.9759709581.

The spelling of 102487444 in words is "one hundred two million, four hundred eighty-seven thousand, four hundred forty-four".