157703349 has 8 divisors (see below), whose sum is σ = 210614400. Its totient is φ = 104963936.

The previous prime is 157703347. The next prime is 157703353. The reversal of 157703349 is 943307751.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157703349 - 2¹ = 157703347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157703347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40749 + ... + 44450.

It is an arithmetic number, because the mean of its divisors is an integer number (26326800).

Almost surely, 2^157703349 is an apocalyptic number.

It is an amenable number.

157703349 is a deficient number, since it is larger than the sum of its proper divisors (52911051).

157703349 is an equidigital number, since it uses as much as digits as its factorization.

157703349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85819.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 157703349 is about 12557.9994027711. Note that the first 3 decimals coincide. The cubic root of 157703349 is about 540.2734657410.

The spelling of 157703349 in words is "one hundred fifty-seven million, seven hundred three thousand, three hundred forty-nine".