157272623 has 2 divisors, whose sum is σ = 157272624. Its totient is φ = 157272622.

The previous prime is 157272613. The next prime is 157272649. The reversal of 157272623 is 326272751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157272623 - 2¹⁰ = 157271599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157272613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78636311 + 78636312.

It is an arithmetic number, because the mean of its divisors is an integer number (78636312).

Almost surely, 2^157272623 is an apocalyptic number.

157272623 is a deficient number, since it is larger than the sum of its proper divisors (1).

157272623 is an equidigital number, since it uses as much as digits as its factorization.

157272623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 35.

The square root of 157272623 is about 12540.8382096254. The cubic root of 157272623 is about 539.7811447375.

The spelling of 157272623 in words is "one hundred fifty-seven million, two hundred seventy-two thousand, six hundred twenty-three".