157863433 has 8 divisors (see below), whose sum is σ = 194293568. Its totient is φ = 124902864.

The previous prime is 157863401. The next prime is 157863437. The reversal of 157863433 is 334368751.

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 157863433 - 2⁵ = 157863401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157863437) 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, 867291 + ... + 867472.

It is an arithmetic number, because the mean of its divisors is an integer number (24286696).

Almost surely, 2^157863433 is an apocalyptic number.

157863433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

157863433 is a deficient number, since it is larger than the sum of its proper divisors (36430135).

157863433 is a wasteful number, since it uses less digits than its factorization.

157863433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734783.

The product of its digits is 181440, while the sum is 40.

The square root of 157863433 is about 12564.3715720286. The cubic root of 157863433 is about 540.4562136865.

The spelling of 157863433 in words is "one hundred fifty-seven million, eight hundred sixty-three thousand, four hundred thirty-three".