157283860 has 24 divisors (see below), whose sum is σ = 336530376. Its totient is φ = 61726080.

The previous prime is 157283747. The next prime is 157283869. The reversal of 157283860 is 68382751.

It can be written as a sum of positive squares in 4 ways, for example, as 5550736 + 151733124 = 2356^2 + 12318^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157283869) 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, 73131 + ... + 75250.

It is an arithmetic number, because the mean of its divisors is an integer number (14022099).

Almost surely, 2^157283860 is an apocalyptic number.

157283860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157283860 is an abundant number, since it is smaller than the sum of its proper divisors (179246516).

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

157283860 is a wasteful number, since it uses less digits than its factorization.

157283860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148443 (or 148441 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 157283860 is about 12541.2862179284. The cubic root of 157283860 is about 539.7940000714.

The spelling of 157283860 in words is "one hundred fifty-seven million, two hundred eighty-three thousand, eight hundred sixty".