45445454 has 32 divisors (see below), whose sum is σ = 76826880. Its totient is φ = 20034432.

The previous prime is 45445441. The next prime is 45445459. The reversal of 45445454 is 45454454.

It is a super-2 number, since 2×45445454² = 4130578578532232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45445459) 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, 66197 + ... + 66879.

It is an arithmetic number, because the mean of its divisors is an integer number (2400840).

Almost surely, 2^45445454 is an apocalyptic number.

45445454 is a deficient number, since it is larger than the sum of its proper divisors (31381426).

45445454 is a wasteful number, since it uses less digits than its factorization.

45445454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its digits is 128000, while the sum is 35.

The square root of 45445454 is about 6741.3243506006. The cubic root of 45445454 is about 356.8591325426.

The spelling of 45445454 in words is "forty-five million, four hundred forty-five thousand, four hundred fifty-four".