157775080 has 32 divisors (see below), whose sum is σ = 367237800. Its totient is φ = 60933376.

The previous prime is 157775077. The next prime is 157775083. The reversal of 157775080 is 80577751.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (157775077) and next prime (157775083).

It can be written as a sum of positive squares in 4 ways, for example, as 112911876 + 44863204 = 10626^2 + 6698^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (157775083) 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, 66847 + ... + 69166.

Almost surely, 2^157775080 is an apocalyptic number.

157775080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157775080 is an abundant number, since it is smaller than the sum of its proper divisors (209462720).

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

157775080 is a wasteful number, since it uses less digits than its factorization.

157775080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136053 (or 136049 counting only the distinct ones).

The product of its (nonzero) digits is 68600, while the sum is 40.

The square root of 157775080 is about 12560.8550664356. The cubic root of 157775080 is about 540.3553673661.

The spelling of 157775080 in words is "one hundred fifty-seven million, seven hundred seventy-five thousand, eighty".