157806383 has 4 divisors (see below), whose sum is σ = 180350160. Its totient is φ = 135262608.

The previous prime is 157806379. The next prime is 157806391. The reversal of 157806383 is 383608751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383608751 = 41 ⋅9356311.

It is a cyclic number.

It is not a de Polignac number, because 157806383 - 2² = 157806379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157806383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157806353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11271878 + ... + 11271891.

It is an arithmetic number, because the mean of its divisors is an integer number (45087540).

Almost surely, 2^157806383 is an apocalyptic number.

157806383 is a deficient number, since it is larger than the sum of its proper divisors (22543777).

157806383 is an equidigital number, since it uses as much as digits as its factorization.

157806383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22543776.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 157806383 is about 12562.1010583421. The cubic root of 157806383 is about 540.3911009888.

The spelling of 157806383 in words is "one hundred fifty-seven million, eight hundred six thousand, three hundred eighty-three".