102257046 has 32 divisors (see below), whose sum is σ = 229500000. Its totient is φ = 33746400.

The previous prime is 102257039. The next prime is 102257081. The reversal of 102257046 is 640752201.

It is a super-2 number, since 2×102257046² = 20913006913292232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3921 + ... + 14828.

It is an arithmetic number, because the mean of its divisors is an integer number (7171875).

Almost surely, 2^102257046 is an apocalyptic number.

102257046 is an abundant number, since it is smaller than the sum of its proper divisors (127242954).

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

102257046 is a wasteful number, since it uses less digits than its factorization.

102257046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18861 (or 18855 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 102257046 is about 10112.2226043536. Note that the first 3 decimals coincide. The cubic root of 102257046 is about 467.6250283760.

It can be divided in two parts, 10225 and 7046, that added together give a palindrome (17271).

The spelling of 102257046 in words is "one hundred two million, two hundred fifty-seven thousand, forty-six".