157143418 has 8 divisors (see below), whose sum is σ = 235942560. Its totient is φ = 78495900.

The previous prime is 157143409. The next prime is 157143439. The reversal of 157143418 is 814341751.

157143418 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35278 + ... + 39481.

It is an arithmetic number, because the mean of its divisors is an integer number (29492820).

Almost surely, 2^157143418 is an apocalyptic number.

157143418 is a deficient number, since it is larger than the sum of its proper divisors (78799142).

157143418 is a wasteful number, since it uses less digits than its factorization.

157143418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75812.

The product of its digits is 13440, while the sum is 34.

The square root of 157143418 is about 12535.6857810014. The cubic root of 157143418 is about 539.6332878318.

The spelling of 157143418 in words is "one hundred fifty-seven million, one hundred forty-three thousand, four hundred eighteen".