45463231 has 16 divisors (see below), whose sum is σ = 50605056. Its totient is φ = 40500000.

The previous prime is 45463211. The next prime is 45463237. The reversal of 45463231 is 13236454.

It is a 6-Lehmer number, since φ(45463231) divides (45463231-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 45463231 - 2⁵ = 45463199 is a prime.

It is a super-2 number, since 2×45463231² = 4133810745918722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45463231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45463237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167626 + ... + 167896.

It is an arithmetic number, because the mean of its divisors is an integer number (3162816).

Almost surely, 2^45463231 is an apocalyptic number.

45463231 is a deficient number, since it is larger than the sum of its proper divisors (5141825).

45463231 is a wasteful number, since it uses less digits than its factorization.

45463231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534.

The product of its digits is 8640, while the sum is 28.

The square root of 45463231 is about 6742.6427311552. The cubic root of 45463231 is about 356.9056576053.

Adding to 45463231 its reverse (13236454), we get a palindrome (58699685).

It can be divided in two parts, 4546 and 3231, that added together give a palindrome (7777).

The spelling of 45463231 in words is "forty-five million, four hundred sixty-three thousand, two hundred thirty-one".