102162444 has 12 divisors (see below), whose sum is σ = 238379064. Its totient is φ = 34054144.

The previous prime is 102162433. The next prime is 102162451. The reversal of 102162444 is 444261201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4256757 + ... + 4256780.

It is an arithmetic number, because the mean of its divisors is an integer number (19864922).

Almost surely, 2^102162444 is an apocalyptic number.

It is an amenable number.

102162444 is an abundant number, since it is smaller than the sum of its proper divisors (136216620).

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

102162444 is a wasteful number, since it uses less digits than its factorization.

102162444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8513544 (or 8513542 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 102162444 is about 10107.5439153139. The cubic root of 102162444 is about 467.4807778040.

The spelling of 102162444 in words is "one hundred two million, one hundred sixty-two thousand, four hundred forty-four".