157908283 has 8 divisors (see below), whose sum is σ = 170353008. Its totient is φ = 145506144.

The previous prime is 157908241. The next prime is 157908287. The reversal of 157908283 is 382809751.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157908283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157908287) 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 in 7 ways as a sum of consecutive naturals, for example, 2716 + ... + 17977.

It is an arithmetic number, because the mean of its divisors is an integer number (21294126).

Almost surely, 2^157908283 is an apocalyptic number.

157908283 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

157908283 is a deficient number, since it is larger than the sum of its proper divisors (12444725).

157908283 is a wasteful number, since it uses less digits than its factorization.

157908283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21293.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 157908283 is about 12566.1562540023. The cubic root of 157908283 is about 540.5073911833.

The spelling of 157908283 in words is "one hundred fifty-seven million, nine hundred eight thousand, two hundred eighty-three".