45454131 has 12 divisors (see below), whose sum is σ = 66769560. Its totient is φ = 29788800.

The previous prime is 45454127. The next prime is 45454133. The reversal of 45454131 is 13145454.

It is a happy number.

It is not a de Polignac number, because 45454131 - 2² = 45454127 is a prime.

It is a super-2 number, since 2×45454131² = 4132156049930322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45454095 and 45454104.

It is not an unprimeable number, because it can be changed into a prime (45454133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42270 + ... + 43331.

It is an arithmetic number, because the mean of its divisors is an integer number (5564130).

Almost surely, 2^45454131 is an apocalyptic number.

45454131 is a deficient number, since it is larger than the sum of its proper divisors (21315429).

45454131 is a wasteful number, since it uses less digits than its factorization.

45454131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85666 (or 85663 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 45454131 is about 6741.9678877906. The cubic root of 45454131 is about 356.8818430623.

Adding to 45454131 its reverse (13145454), we get a palindrome (58599585).

The spelling of 45454131 in words is "forty-five million, four hundred fifty-four thousand, one hundred thirty-one".