157154573 has 2 divisors, whose sum is σ = 157154574. Its totient is φ = 157154572.

The previous prime is 157154533. The next prime is 157154581. The reversal of 157154573 is 375451751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120406729 + 36747844 = 10973^2 + 6062^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157154573 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157154533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78577286 + 78577287.

It is an arithmetic number, because the mean of its divisors is an integer number (78577287).

Almost surely, 2^157154573 is an apocalyptic number.

It is an amenable number.

157154573 is a deficient number, since it is larger than the sum of its proper divisors (1).

157154573 is an equidigital number, since it uses as much as digits as its factorization.

157154573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73500, while the sum is 38.

The square root of 157154573 is about 12536.1307028923. The cubic root of 157154573 is about 539.6460563524.

The spelling of 157154573 in words is "one hundred fifty-seven million, one hundred fifty-four thousand, five hundred seventy-three".