157275061 has 6 divisors (see below), whose sum is σ = 159989462. Its totient is φ = 154605960.

The previous prime is 157275047. The next prime is 157275071. The reversal of 157275061 is 160572751.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 94770225 + 62504836 = 9735^2 + 7906^2 .

It is not a de Polignac number, because 157275061 - 2⁵ = 157275029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157275031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19110 + ... + 26071.

Almost surely, 2^157275061 is an apocalyptic number.

It is an amenable number.

157275061 is a deficient number, since it is larger than the sum of its proper divisors (2714401).

157275061 is an frugal number, since it uses more digits than its factorization.

157275061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45299 (or 45240 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 34.

The square root of 157275061 is about 12540.9354116828. The cubic root of 157275061 is about 539.7839339062.

The spelling of 157275061 in words is "one hundred fifty-seven million, two hundred seventy-five thousand, sixty-one".