157156443740 has 24 divisors (see below), whose sum is σ = 330127276752. Its totient is φ = 62843768960.

The previous prime is 157156443737. The next prime is 157156443779. The reversal of 157156443740 is 47344651751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106921 + ... + 1240800.

It is an arithmetic number, because the mean of its divisors is an integer number (13755303198).

Almost surely, 2^157156443740 is an apocalyptic number.

157156443740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157156443740 is an abundant number, since it is smaller than the sum of its proper divisors (172970833012).

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

157156443740 is a wasteful number, since it uses less digits than its factorization.

157156443740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351077 (or 2351075 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 157156443740 in words is "one hundred fifty-seven billion, one hundred fifty-six million, four hundred forty-three thousand, seven hundred forty".