157445303 has 2 divisors, whose sum is σ = 157445304. Its totient is φ = 157445302.

The previous prime is 157445293. The next prime is 157445339. The reversal of 157445303 is 303544751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157445303 - 2⁴ = 157445287 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157445303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157445383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78722651 + 78722652.

It is an arithmetic number, because the mean of its divisors is an integer number (78722652).

Almost surely, 2^157445303 is an apocalyptic number.

157445303 is a deficient number, since it is larger than the sum of its proper divisors (1).

157445303 is an equidigital number, since it uses as much as digits as its factorization.

157445303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 157445303 is about 12547.7210281389. The cubic root of 157445303 is about 539.9786262688.

The spelling of 157445303 in words is "one hundred fifty-seven million, four hundred forty-five thousand, three hundred three".