45454491 has 12 divisors (see below), whose sum is σ = 66334632. Its totient is φ = 29990016.

The previous prime is 45454489. The next prime is 45454501. The reversal of 45454491 is 19445454.

It is not a de Polignac number, because 45454491 - 2¹ = 45454489 is a prime.

It is a super-2 number, since 2×45454491² = 4132221504138162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45454411) 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, 25161 + ... + 26906.

It is an arithmetic number, because the mean of its divisors is an integer number (5527886).

Almost surely, 2^45454491 is an apocalyptic number.

45454491 is a deficient number, since it is larger than the sum of its proper divisors (20880141).

45454491 is a wasteful number, since it uses less digits than its factorization.

45454491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52170 (or 52167 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 45454491 is about 6741.9945861740. The cubic root of 45454491 is about 356.8827852365.

It can be divided in two parts, 454 and 54491, that added together give a palindrome (54945).

The spelling of 45454491 in words is "forty-five million, four hundred fifty-four thousand, four hundred ninety-one".