102255146 has 8 divisors (see below), whose sum is σ = 175294560. Its totient is φ = 43823628.

The previous prime is 102255137. The next prime is 102255157. The reversal of 102255146 is 641552201.

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

It is a super-2 number, since 2×102255146² = 20912229766962632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3651956 + ... + 3651983.

It is an arithmetic number, because the mean of its divisors is an integer number (21911820).

Almost surely, 2^102255146 is an apocalyptic number.

102255146 is a deficient number, since it is larger than the sum of its proper divisors (73039414).

102255146 is an equidigital number, since it uses as much as digits as its factorization.

102255146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7303948.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 102255146 is about 10112.1286582005. The cubic root of 102255146 is about 467.6221321027.

The spelling of 102255146 in words is "one hundred two million, two hundred fifty-five thousand, one hundred forty-six".