157973833 has 2 divisors, whose sum is σ = 157973834. Its totient is φ = 157973832.

The previous prime is 157973819. The next prime is 157973863. The reversal of 157973833 is 338379751.

157973833 is nontrivially palindromic in base 15.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156050064 + 1923769 = 12492^2 + 1387^2 .

It is an emirp because it is prime and its reverse (338379751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157973833 - 2¹⁷ = 157842761 is a prime.

It is not a weakly prime, because it can be changed into another prime (157973863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78986916 + 78986917.

It is an arithmetic number, because the mean of its divisors is an integer number (78986917).

Almost surely, 2^157973833 is an apocalyptic number.

It is an amenable number.

157973833 is a deficient number, since it is larger than the sum of its proper divisors (1).

157973833 is an equidigital number, since it uses as much as digits as its factorization.

157973833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 46.

The square root of 157973833 is about 12568.7641795047. The cubic root of 157973833 is about 540.5821716348.

The spelling of 157973833 in words is "one hundred fifty-seven million, nine hundred seventy-three thousand, eight hundred thirty-three".