162315143 has 4 divisors (see below), whose sum is σ = 162342168. Its totient is φ = 162288120.

The previous prime is 162315107. The next prime is 162315173. The reversal of 162315143 is 341513261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341513261 = 599 ⋅570139.

It is a cyclic number.

It is not a de Polignac number, because 162315143 - 2⁶ = 162315079 is a prime.

It is a super-2 number, since 2×162315143² = 52692411294220898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162315103) 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, 5 + ... + 18017.

It is an arithmetic number, because the mean of its divisors is an integer number (40585542).

Almost surely, 2^162315143 is an apocalyptic number.

162315143 is a deficient number, since it is larger than the sum of its proper divisors (27025).

162315143 is an equidigital number, since it uses as much as digits as its factorization.

162315143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27024.

The product of its digits is 2160, while the sum is 26.

The square root of 162315143 is about 12740.2960326674. The cubic root of 162315143 is about 545.4894382838.

The spelling of 162315143 in words is "one hundred sixty-two million, three hundred fifteen thousand, one hundred forty-three".