102557157 has 8 divisors (see below), whose sum is σ = 138669120. Its totient is φ = 67408320.

The previous prime is 102557153. The next prime is 102557167. The reversal of 102557157 is 751755201.

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

It is not a de Polignac number, because 102557157 - 2² = 102557153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102557153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240532 + ... + 240957.

It is an arithmetic number, because the mean of its divisors is an integer number (17333640).

Almost surely, 2^102557157 is an apocalyptic number.

It is an amenable number.

102557157 is a deficient number, since it is larger than the sum of its proper divisors (36111963).

102557157 is an equidigital number, since it uses as much as digits as its factorization.

102557157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481563.

The product of its (nonzero) digits is 12250, while the sum is 33.

The square root of 102557157 is about 10127.0507552791. The cubic root of 102557157 is about 468.0820542444.

The spelling of 102557157 in words is "one hundred two million, five hundred fifty-seven thousand, one hundred fifty-seven".