102250455 has 16 divisors (see below), whose sum is σ = 164229120. Its totient is φ = 54324128.

The previous prime is 102250451. The next prime is 102250471. The reversal of 102250455 is 554052201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102250455 - 2² = 102250451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102250451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9015 + ... + 16904.

It is an arithmetic number, because the mean of its divisors is an integer number (10264320).

Almost surely, 2^102250455 is an apocalyptic number.

102250455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102250455 is a deficient number, since it is larger than the sum of its proper divisors (61978665).

102250455 is a wasteful number, since it uses less digits than its factorization.

102250455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26190.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 102250455 is about 10111.8967063553. The cubic root of 102250455 is about 467.6149812027.

The spelling of 102250455 in words is "one hundred two million, two hundred fifty thousand, four hundred fifty-five".