157408702 has 16 divisors (see below), whose sum is σ = 260131824. Its totient is φ = 70840000.

The previous prime is 157408679. The next prime is 157408709. The reversal of 157408702 is 207804751.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157408709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33199 + ... + 37642.

It is an arithmetic number, because the mean of its divisors is an integer number (16258239).

Almost surely, 2^157408702 is an apocalyptic number.

157408702 is a deficient number, since it is larger than the sum of its proper divisors (102723122).

157408702 is a wasteful number, since it uses less digits than its factorization.

157408702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70955.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 157408702 is about 12546.2624713498. The cubic root of 157408702 is about 539.9367804362.

It can be divided in two parts, 15740 and 8702, that added together give a palindrome (24442).

The spelling of 157408702 in words is "one hundred fifty-seven million, four hundred eight thousand, seven hundred two".