102245136 has 40 divisors (see below), whose sum is σ = 301867584. Its totient is φ = 29212800.

The previous prime is 102245111. The next prime is 102245153. The reversal of 102245136 is 631542201.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 151815 + ... + 152486.

Almost surely, 2^102245136 is an apocalyptic number.

102245136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

102245136 is an abundant number, since it is smaller than the sum of its proper divisors (199622448).

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

102245136 is a wasteful number, since it uses less digits than its factorization.

102245136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304319 (or 304313 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 102245136 is about 10111.6336958970. The cubic root of 102245136 is about 467.6068727231.

Adding to 102245136 its reverse (631542201), we get a palindrome (733787337).

The spelling of 102245136 in words is "one hundred two million, two hundred forty-five thousand, one hundred thirty-six".