157484423 has 4 divisors (see below), whose sum is σ = 157512480. Its totient is φ = 157456368.

The previous prime is 157484387. The next prime is 157484441. The reversal of 157484423 is 324484751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324484751 = 43 ⋅7546157.

It is a cyclic number.

It is not a de Polignac number, because 157484423 - 2¹² = 157480327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157484443) 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, 2390 + ... + 17907.

It is an arithmetic number, because the mean of its divisors is an integer number (39378120).

Almost surely, 2^157484423 is an apocalyptic number.

157484423 is a deficient number, since it is larger than the sum of its proper divisors (28057).

157484423 is an equidigital number, since it uses as much as digits as its factorization.

157484423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28056.

The product of its digits is 107520, while the sum is 38.

The square root of 157484423 is about 12549.2797801308. The cubic root of 157484423 is about 540.0233448984.

The spelling of 157484423 in words is "one hundred fifty-seven million, four hundred eighty-four thousand, four hundred twenty-three".