157287158650 has 24 divisors (see below), whose sum is σ = 294689559420. Its totient is φ = 62455628160.

The previous prime is 157287158647. The next prime is 157287158659. The reversal of 157287158650 is 56851782751.

It can be written as a sum of positive squares in 6 ways, for example, as 16289161641 + 140997997009 = 127629^2 + 375497^2 .

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 157287158591 and 157287158600.

It is not an unprimeable number, because it can be changed into a prime (157287158659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11473965 + ... + 11487664.

Almost surely, 2^157287158650 is an apocalyptic number.

157287158650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157287158650 is a deficient number, since it is larger than the sum of its proper divisors (137402400770).

157287158650 is a wasteful number, since it uses less digits than its factorization.

157287158650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22961778 (or 22961773 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 55.

The spelling of 157287158650 in words is "one hundred fifty-seven billion, two hundred eighty-seven million, one hundred fifty-eight thousand, six hundred fifty".