45454539 has 16 divisors (see below), whose sum is σ = 65655072. Its totient is φ = 27806208.

The previous prime is 45454531. The next prime is 45454543. The reversal of 45454539 is 93545454.

It is not a de Polignac number, because 45454539 - 2³ = 45454531 is a prime.

It is a super-2 number, since 2×45454539² = 4132230231405042, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 45454497 and 45454506.

It is not an unprimeable number, because it can be changed into a prime (45454531) 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, 3379 + ... + 10115.

It is an arithmetic number, because the mean of its divisors is an integer number (4103442).

Almost surely, 2^45454539 is an apocalyptic number.

45454539 is a deficient number, since it is larger than the sum of its proper divisors (20200533).

45454539 is a wasteful number, since it uses less digits than its factorization.

45454539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6926.

The product of its digits is 216000, while the sum is 39.

The square root of 45454539 is about 6741.9981459505. The cubic root of 45454539 is about 356.8829108593.

The spelling of 45454539 in words is "forty-five million, four hundred fifty-four thousand, five hundred thirty-nine".