157433842 has 8 divisors (see below), whose sum is σ = 236226816. Its totient is φ = 78691572.

The previous prime is 157433737. The next prime is 157433849. The reversal of 157433842 is 248334751.

It is a happy number.

157433842 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 not an unprimeable number, because it can be changed into a prime (157433849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3618 + ... + 18109.

It is an arithmetic number, because the mean of its divisors is an integer number (29528352).

Almost surely, 2^157433842 is an apocalyptic number.

157433842 is a deficient number, since it is larger than the sum of its proper divisors (78792974).

157433842 is a wasteful number, since it uses less digits than its factorization.

157433842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25352.

The product of its digits is 80640, while the sum is 37.

The square root of 157433842 is about 12547.2643233495. The cubic root of 157433842 is about 539.9655236334.

Subtracting 157433842 from its reverse (248334751), we obtain a palindrome (90900909).

The spelling of 157433842 in words is "one hundred fifty-seven million, four hundred thirty-three thousand, eight hundred forty-two".