157571140 has 24 divisors (see below), whose sum is σ = 341574912. Its totient is φ = 60995040.

The previous prime is 157571129. The next prime is 157571149. The reversal of 157571140 is 41175751.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (157571149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126454 + ... + 127693.

It is an arithmetic number, because the mean of its divisors is an integer number (14232288).

Almost surely, 2^157571140 is an apocalyptic number.

157571140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157571140 is an abundant number, since it is smaller than the sum of its proper divisors (184003772).

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

157571140 is a wasteful number, since it uses less digits than its factorization.

157571140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254187 (or 254185 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 31.

The square root of 157571140 is about 12552.7343634763. The cubic root of 157571140 is about 540.1224459413.

It can be divided in two parts, 1575711 and 40, that added together give a palindrome (1575751).

The spelling of 157571140 in words is "one hundred fifty-seven million, five hundred seventy-one thousand, one hundred forty".