157446313 has 2 divisors, whose sum is σ = 157446314. Its totient is φ = 157446312.

The previous prime is 157446281. The next prime is 157446319. The reversal of 157446313 is 313644751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143808064 + 13638249 = 11992^2 + 3693^2 .

It is a cyclic number.

It is not a de Polignac number, because 157446313 - 2⁵ = 157446281 is a prime.

It is not a weakly prime, because it can be changed into another prime (157446319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78723156 + 78723157.

It is an arithmetic number, because the mean of its divisors is an integer number (78723157).

Almost surely, 2^157446313 is an apocalyptic number.

It is an amenable number.

157446313 is a deficient number, since it is larger than the sum of its proper divisors (1).

157446313 is an equidigital number, since it uses as much as digits as its factorization.

157446313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 157446313 is about 12547.7612744266. The cubic root of 157446313 is about 539.9797809073.

The spelling of 157446313 in words is "one hundred fifty-seven million, four hundred forty-six thousand, three hundred thirteen".