102251154 has 16 divisors (see below), whose sum is σ = 204608448. Its totient is φ = 34066032.

The previous prime is 102251143. The next prime is 102251159. The reversal of 102251154 is 451152201.

It is a self number, because there is not a number n which added to its sum of digits gives 102251154.

It is not an unprimeable number, because it can be changed into a prime (102251159) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14019 + ... + 20025.

It is an arithmetic number, because the mean of its divisors is an integer number (12788028).

Almost surely, 2^102251154 is an apocalyptic number.

102251154 is an abundant number, since it is smaller than the sum of its proper divisors (102357294).

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

102251154 is a wasteful number, since it uses less digits than its factorization.

102251154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8849.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 102251154 is about 10111.9312695449. The cubic root of 102251154 is about 467.6160467632.

The spelling of 102251154 in words is "one hundred two million, two hundred fifty-one thousand, one hundred fifty-four".