157902 has 8 divisors (see below), whose sum is σ = 315816. Its totient is φ = 52632.

The previous prime is 157901. The next prime is 157907. The reversal of 157902 is 209751.

Added to its reverse (209751) it gives a triangular number (367653 = T₈₅₇).

157902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

157902 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157901) 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, 13153 + ... + 13164.

It is an arithmetic number, because the mean of its divisors is an integer number (39477).

2¹⁵⁷⁹⁰² is an apocalyptic number.

157902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

157902 is a wasteful number, since it uses less digits than its factorization.

157902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26322.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 157902 is about 397.3688462877. The cubic root of 157902 is about 54.0500222353.

Adding to 157902 its reverse (209751), we get a triangular number (367653 = T₈₅₇).

The spelling of 157902 in words is "one hundred fifty-seven thousand, nine hundred two".