45540539 has 8 divisors (see below), whose sum is σ = 50362032. Its totient is φ = 40832640.

The previous prime is 45540533. The next prime is 45540559. The reversal of 45540539 is 93504554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45540539 - 2²⁴ = 28763323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45540499 and 45540508.

It is not an unprimeable number, because it can be changed into a prime (45540533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27554 + ... + 29159.

It is an arithmetic number, because the mean of its divisors is an integer number (6295254).

Almost surely, 2^45540539 is an apocalyptic number.

45540539 is a deficient number, since it is larger than the sum of its proper divisors (4821493).

45540539 is a wasteful number, since it uses less digits than its factorization.

45540539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56797.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 45540539 is about 6748.3730631909. The cubic root of 45540539 is about 357.1078432493.

The spelling of 45540539 in words is "forty-five million, five hundred forty thousand, five hundred thirty-nine".