45899503 has 4 divisors (see below), whose sum is σ = 49430248. Its totient is φ = 42368760.

The previous prime is 45899479. The next prime is 45899509. The reversal of 45899503 is 30599854.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30599854 = 2 ⋅15299927.

It is a cyclic number.

It is not a de Polignac number, because 45899503 - 2²⁵ = 12345071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45899503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45899509) 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, 1765353 + ... + 1765378.

It is an arithmetic number, because the mean of its divisors is an integer number (12357562).

Almost surely, 2^45899503 is an apocalyptic number.

45899503 is a deficient number, since it is larger than the sum of its proper divisors (3530745).

45899503 is a wasteful number, since it uses less digits than its factorization.

45899503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530744.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 45899503 is about 6774.9171950659. The cubic root of 45899503 is about 358.0436652835.

The spelling of 45899503 in words is "forty-five million, eight hundred ninety-nine thousand, five hundred three".