157041473 has 2 divisors, whose sum is σ = 157041474. Its totient is φ = 157041472.

The previous prime is 157041457. The next prime is 157041499. The reversal of 157041473 is 374140751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107578384 + 49463089 = 10372^2 + 7033^2 .

It is an emirp because it is prime and its reverse (374140751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157041473 - 2⁴ = 157041457 is a prime.

It is not a weakly prime, because it can be changed into another prime (157040473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78520736 + 78520737.

It is an arithmetic number, because the mean of its divisors is an integer number (78520737).

Almost surely, 2^157041473 is an apocalyptic number.

It is an amenable number.

157041473 is a deficient number, since it is larger than the sum of its proper divisors (1).

157041473 is an equidigital number, since it uses as much as digits as its factorization.

157041473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 157041473 is about 12531.6189297313. The cubic root of 157041473 is about 539.5165689414.

The spelling of 157041473 in words is "one hundred fifty-seven million, forty-one thousand, four hundred seventy-three".