157946479 has 2 divisors, whose sum is σ = 157946480. Its totient is φ = 157946478.

The previous prime is 157946423. The next prime is 157946489. The reversal of 157946479 is 974649751.

157946479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (974649751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157946479 - 2¹⁵ = 157913711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157946489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78973239 + 78973240.

It is an arithmetic number, because the mean of its divisors is an integer number (78973240).

Almost surely, 2^157946479 is an apocalyptic number.

157946479 is a deficient number, since it is larger than the sum of its proper divisors (1).

157946479 is an equidigital number, since it uses as much as digits as its factorization.

157946479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 52.

The square root of 157946479 is about 12567.6759585852. The cubic root of 157946479 is about 540.5509682850.

The spelling of 157946479 in words is "one hundred fifty-seven million, nine hundred forty-six thousand, four hundred seventy-nine".