465142331 has 4 divisors (see below), whose sum is σ = 465462600. Its totient is φ = 464822064.

The previous prime is 465142319. The next prime is 465142333. The reversal of 465142331 is 133241564.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 465142331 - 2²² = 460948027 is a prime.

It is a super-2 number, since 2×465142331² = 432714776176227122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 465142294 and 465142303.

It is not an unprimeable number, because it can be changed into a prime (465142333) 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, 157946 + ... + 160863.

It is an arithmetic number, because the mean of its divisors is an integer number (116365650).

Almost surely, 2^465142331 is an apocalyptic number.

465142331 is a deficient number, since it is larger than the sum of its proper divisors (320269).

465142331 is a wasteful number, since it uses less digits than its factorization.

465142331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320268.

The product of its digits is 8640, while the sum is 29.

The square root of 465142331 is about 21567.1586213854. The cubic root of 465142331 is about 774.8101267770.

Adding to 465142331 its reverse (133241564), we get a palindrome (598383895).

The spelling of 465142331 in words is "four hundred sixty-five million, one hundred forty-two thousand, three hundred thirty-one".