157144443 has 8 divisors (see below), whose sum is σ = 209783808. Its totient is φ = 104634024.

The previous prime is 157144387. The next prime is 157144451. The reversal of 157144443 is 344441751.

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

It is not a de Polignac number, because 157144443 - 2⁸ = 157144187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157144483) 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, 29355 + ... + 34292.

It is an arithmetic number, because the mean of its divisors is an integer number (26222976).

Almost surely, 2^157144443 is an apocalyptic number.

157144443 is a deficient number, since it is larger than the sum of its proper divisors (52639365).

157144443 is an equidigital number, since it uses as much as digits as its factorization.

157144443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64473.

The product of its digits is 26880, while the sum is 33.

The square root of 157144443 is about 12535.7266642186. The cubic root of 157144443 is about 539.6344611186.

The spelling of 157144443 in words is "one hundred fifty-seven million, one hundred forty-four thousand, four hundred forty-three".