102644446 has 16 divisors (see below), whose sum is σ = 160884864. Its totient is φ = 49022424.

The previous prime is 102644413. The next prime is 102644449. The reversal of 102644446 is 644446201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102644449) 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, 50665 + ... + 52651.

It is an arithmetic number, because the mean of its divisors is an integer number (10055304).

Almost surely, 2^102644446 is an apocalyptic number.

102644446 is a deficient number, since it is larger than the sum of its proper divisors (58240418).

102644446 is a wasteful number, since it uses less digits than its factorization.

102644446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 102644446 is about 10131.3595336460. The cubic root of 102644446 is about 468.2148154260.

The spelling of 102644446 in words is "one hundred two million, six hundred forty-four thousand, four hundred forty-six".