157207343 has 2 divisors, whose sum is σ = 157207344. Its totient is φ = 157207342.

The previous prime is 157207333. The next prime is 157207361. The reversal of 157207343 is 343702751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157207343 - 2⁴ = 157207327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157207333) 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, 78603671 + 78603672.

It is an arithmetic number, because the mean of its divisors is an integer number (78603672).

Almost surely, 2^157207343 is an apocalyptic number.

157207343 is a deficient number, since it is larger than the sum of its proper divisors (1).

157207343 is an equidigital number, since it uses as much as digits as its factorization.

157207343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 157207343 is about 12538.2352426488. The cubic root of 157207343 is about 539.7064511069.

The spelling of 157207343 in words is "one hundred fifty-seven million, two hundred seven thousand, three hundred forty-three".