45544534451 has 16 divisors (see below), whose sum is σ = 49617655584. Its totient is φ = 41553921024.

The previous prime is 45544534397. The next prime is 45544534489. The reversal of 45544534451 is 15443544554.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 45544534451 - 2¹⁸ = 45544272307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45544534051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969461 + ... + 1015353.

It is an arithmetic number, because the mean of its divisors is an integer number (3101103474).

Almost surely, 2^45544534451 is an apocalyptic number.

45544534451 is a deficient number, since it is larger than the sum of its proper divisors (4073121133).

45544534451 is a wasteful number, since it uses less digits than its factorization.

45544534451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46790.

The product of its digits is 1920000, while the sum is 44.

The spelling of 45544534451 in words is "forty-five billion, five hundred forty-four million, five hundred thirty-four thousand, four hundred fifty-one".