157146013 has 2 divisors, whose sum is σ = 157146014. Its totient is φ = 157146012.

The previous prime is 157145939. The next prime is 157146029. The reversal of 157146013 is 310641751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150479289 + 6666724 = 12267^2 + 2582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157146013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157146043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78573006 + 78573007.

It is an arithmetic number, because the mean of its divisors is an integer number (78573007).

Almost surely, 2^157146013 is an apocalyptic number.

It is an amenable number.

157146013 is a deficient number, since it is larger than the sum of its proper divisors (1).

157146013 is an equidigital number, since it uses as much as digits as its factorization.

157146013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 157146013 is about 12535.7892850829. The cubic root of 157146013 is about 539.6362582408.

Adding to 157146013 its reverse (310641751), we get a palindrome (467787764).

The spelling of 157146013 in words is "one hundred fifty-seven million, one hundred forty-six thousand, thirteen".