157371740 has 12 divisors (see below), whose sum is σ = 330480696. Its totient is φ = 62948688.

The previous prime is 157371691. The next prime is 157371761. The reversal of 157371740 is 47173751.

It is a self number, because there is not a number n which added to its sum of digits gives 157371740.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3934274 + ... + 3934313.

It is an arithmetic number, because the mean of its divisors is an integer number (27540058).

Almost surely, 2^157371740 is an apocalyptic number.

157371740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157371740 is an abundant number, since it is smaller than the sum of its proper divisors (173108956).

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

157371740 is a wasteful number, since it uses less digits than its factorization.

157371740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7868596 (or 7868594 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 157371740 is about 12544.7893565416. The cubic root of 157371740 is about 539.8945152897.

The spelling of 157371740 in words is "one hundred fifty-seven million, three hundred seventy-one thousand, seven hundred forty".