157180550 has 24 divisors (see below), whose sum is σ = 294232656. Its totient is φ = 62468640.

The previous prime is 157180537. The next prime is 157180553. The reversal of 157180550 is 55081751.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157180553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2162 + ... + 17861.

It is an arithmetic number, because the mean of its divisors is an integer number (12259694).

Almost surely, 2^157180550 is an apocalyptic number.

157180550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157180550 is a deficient number, since it is larger than the sum of its proper divisors (137052106).

157180550 is a wasteful number, since it uses less digits than its factorization.

157180550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20192 (or 20187 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 32.

The square root of 157180550 is about 12537.1667453217. The cubic root of 157180550 is about 539.6757884669.

The spelling of 157180550 in words is "one hundred fifty-seven million, one hundred eighty thousand, five hundred fifty".