157755601 has 2 divisors, whose sum is σ = 157755602. Its totient is φ = 157755600.

The previous prime is 157755541. The next prime is 157755607. The reversal of 157755601 is 106557751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81018001 + 76737600 = 9001^2 + 8760^2 .

It is a cyclic number.

It is not a de Polignac number, because 157755601 - 2¹⁷ = 157624529 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157755607) 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 as a sum of consecutive naturals, namely, 78877800 + 78877801.

It is an arithmetic number, because the mean of its divisors is an integer number (78877801).

Almost surely, 2^157755601 is an apocalyptic number.

It is an amenable number.

157755601 is a deficient number, since it is larger than the sum of its proper divisors (1).

157755601 is an equidigital number, since it uses as much as digits as its factorization.

157755601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36750, while the sum is 37.

The square root of 157755601 is about 12560.0796573907. The cubic root of 157755601 is about 540.3331289252. Note that the first 3 decimals are identical.

The spelling of 157755601 in words is "one hundred fifty-seven million, seven hundred fifty-five thousand, six hundred one".