102152254 has 8 divisors (see below), whose sum is σ = 158171328. Its totient is φ = 49428480.

The previous prime is 102152251. The next prime is 102152261. The reversal of 102152254 is 452251201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102152251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823747 + ... + 823870.

It is an arithmetic number, because the mean of its divisors is an integer number (19771416).

Almost surely, 2^102152254 is an apocalyptic number.

102152254 is a deficient number, since it is larger than the sum of its proper divisors (56019074).

102152254 is a wasteful number, since it uses less digits than its factorization.

102152254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647650.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 102152254 is about 10107.0398238060. The cubic root of 102152254 is about 467.4652346249.

The spelling of 102152254 in words is "one hundred two million, one hundred fifty-two thousand, two hundred fifty-four".