157403347 has 2 divisors, whose sum is σ = 157403348. Its totient is φ = 157403346.

The previous prime is 157403321. The next prime is 157403359. The reversal of 157403347 is 743304751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157403347 - 2⁷ = 157403219 is a prime.

It is not a weakly prime, because it can be changed into another prime (157403447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78701673 + 78701674.

It is an arithmetic number, because the mean of its divisors is an integer number (78701674).

Almost surely, 2^157403347 is an apocalyptic number.

157403347 is a deficient number, since it is larger than the sum of its proper divisors (1).

157403347 is an equidigital number, since it uses as much as digits as its factorization.

157403347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 157403347 is about 12546.0490593653. The cubic root of 157403347 is about 539.9306575340.

The spelling of 157403347 in words is "one hundred fifty-seven million, four hundred three thousand, three hundred forty-seven".