157344398 has 4 divisors (see below), whose sum is σ = 236016600. Its totient is φ = 78672198.

The previous prime is 157344373. The next prime is 157344431. The reversal of 157344398 is 893443751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 893443751 = 41 ⋅21791311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39336098 + ... + 39336101.

It is an arithmetic number, because the mean of its divisors is an integer number (59004150).

Almost surely, 2^157344398 is an apocalyptic number.

157344398 is a deficient number, since it is larger than the sum of its proper divisors (78672202).

157344398 is an equidigital number, since it uses as much as digits as its factorization.

157344398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78672201.

The product of its digits is 362880, while the sum is 44.

The square root of 157344398 is about 12543.6995340290. The cubic root of 157344398 is about 539.8632461202.

The spelling of 157344398 in words is "one hundred fifty-seven million, three hundred forty-four thousand, three hundred ninety-eight".