45458549 has 4 divisors (see below), whose sum is σ = 45500364. Its totient is φ = 45416736.

The previous prime is 45458467. The next prime is 45458587. The reversal of 45458549 is 94585454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1036324 + 44422225 = 1018^2 + 6665^2 .

It is a cyclic number.

It is not a de Polignac number, because 45458549 - 2⁸ = 45458293 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45458599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19232 + ... + 21465.

It is an arithmetic number, because the mean of its divisors is an integer number (11375091).

Almost surely, 2^45458549 is an apocalyptic number.

It is an amenable number.

45458549 is a deficient number, since it is larger than the sum of its proper divisors (41815).

45458549 is a wasteful number, since it uses less digits than its factorization.

45458549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41814.

The product of its digits is 576000, while the sum is 44.

The square root of 45458549 is about 6742.2955289723. The cubic root of 45458549 is about 356.8934052890.

The spelling of 45458549 in words is "forty-five million, four hundred fifty-eight thousand, five hundred forty-nine".