45503939 has 8 divisors (see below), whose sum is σ = 50585472. Its totient is φ = 40648320.

The previous prime is 45503923. The next prime is 45503957. The reversal of 45503939 is 93930554.

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 45503939 - 2⁴ = 45503923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45503999) 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, 56054 + ... + 56859.

It is an arithmetic number, because the mean of its divisors is an integer number (6323184).

Almost surely, 2^45503939 is an apocalyptic number.

45503939 is a deficient number, since it is larger than the sum of its proper divisors (5081533).

45503939 is a wasteful number, since it uses less digits than its factorization.

45503939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112957.

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 45503939 is about 6745.6607534029. The cubic root of 45503939 is about 357.0121508522.

The spelling of 45503939 in words is "forty-five million, five hundred three thousand, nine hundred thirty-nine".