157304479 has 2 divisors, whose sum is σ = 157304480. Its totient is φ = 157304478.

The previous prime is 157304473. The next prime is 157304489. The reversal of 157304479 is 974403751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157304479 - 2³ = 157304471 is a prime.

It is a super-2 number, since 2×157304479² = 49489398226922882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157304471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78652239 + 78652240.

It is an arithmetic number, because the mean of its divisors is an integer number (78652240).

Almost surely, 2^157304479 is an apocalyptic number.

157304479 is a deficient number, since it is larger than the sum of its proper divisors (1).

157304479 is an equidigital number, since it uses as much as digits as its factorization.

157304479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 157304479 is about 12542.1082358589. The cubic root of 157304479 is about 539.8175869929.

The spelling of 157304479 in words is "one hundred fifty-seven million, three hundred four thousand, four hundred seventy-nine".