157544742180 has 144 divisors (see below), whose sum is σ = 513626533056. Its totient is φ = 35976487680.

The previous prime is 157544742137. The next prime is 157544742211. The reversal of 157544742180 is 81247445751.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3182982 + ... + 3232098.

It is an arithmetic number, because the mean of its divisors is an integer number (3566850924).

Almost surely, 2^157544742180 is an apocalyptic number.

157544742180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157544742180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256813266528).

157544742180 is an abundant number, since it is smaller than the sum of its proper divisors (356081790876).

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

157544742180 is a wasteful number, since it uses less digits than its factorization.

157544742180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50234 (or 50225 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 48.

The spelling of 157544742180 in words is "one hundred fifty-seven billion, five hundred forty-four million, seven hundred forty-two thousand, one hundred eighty".