157030541 has 2 divisors, whose sum is σ = 157030542. Its totient is φ = 157030540.

The previous prime is 157030537. The next prime is 157030589. The reversal of 157030541 is 145030751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148328041 + 8702500 = 12179^2 + 2950^2 .

It is a cyclic number.

It is not a de Polignac number, because 157030541 - 2² = 157030537 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157030541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157030141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78515270 + 78515271.

It is an arithmetic number, because the mean of its divisors is an integer number (78515271).

Almost surely, 2^157030541 is an apocalyptic number.

It is an amenable number.

157030541 is a deficient number, since it is larger than the sum of its proper divisors (1).

157030541 is an equidigital number, since it uses as much as digits as its factorization.

157030541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 157030541 is about 12531.1827454554. The cubic root of 157030541 is about 539.5040496752.

The spelling of 157030541 in words is "one hundred fifty-seven million, thirty thousand, five hundred forty-one".