157773313 has 8 divisors (see below), whose sum is σ = 162796032. Its totient is φ = 152820096.

The previous prime is 157773281. The next prime is 157773337. The reversal of 157773313 is 313377751.

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 157773313 - 2⁵ = 157773281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157773013) 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 in 7 ways as a sum of consecutive naturals, for example, 12745 + ... + 21862.

It is an arithmetic number, because the mean of its divisors is an integer number (20349504).

Almost surely, 2^157773313 is an apocalyptic number.

It is an amenable number.

157773313 is a deficient number, since it is larger than the sum of its proper divisors (5022719).

157773313 is an equidigital number, since it uses as much as digits as its factorization.

157773313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34751.

The product of its digits is 46305, while the sum is 37.

The square root of 157773313 is about 12560.7847286704. The cubic root of 157773313 is about 540.3533501242.

The spelling of 157773313 in words is "one hundred fifty-seven million, seven hundred seventy-three thousand, three hundred thirteen".