45203739 has 8 divisors (see below), whose sum is σ = 68881920. Its totient is φ = 25830696.

The previous prime is 45203737. The next prime is 45203749. The reversal of 45203739 is 93730254.

It is a happy number.

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

It is not a de Polignac number, because 45203739 - 2¹ = 45203737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45203737) 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, 1076259 + ... + 1076300.

It is an arithmetic number, because the mean of its divisors is an integer number (8610240).

Almost surely, 2^45203739 is an apocalyptic number.

45203739 is a deficient number, since it is larger than the sum of its proper divisors (23678181).

45203739 is a wasteful number, since it uses less digits than its factorization.

45203739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152569.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 45203739 is about 6723.3725911926. The cubic root of 45203739 is about 356.2253207896.

The spelling of 45203739 in words is "forty-five million, two hundred three thousand, seven hundred thirty-nine".