45802903 has 4 divisors (see below), whose sum is σ = 47280448. Its totient is φ = 44325360.

The previous prime is 45802877. The next prime is 45802921. The reversal of 45802903 is 30920854.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30920854 = 2 ⋅15460427.

It is a cyclic number.

It is not a de Polignac number, because 45802903 - 2⁹ = 45802391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1477513 = 45802903 / (4 + 5 + 8 + 0 + 2 + 9 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45802963) 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, 738726 + ... + 738787.

It is an arithmetic number, because the mean of its divisors is an integer number (11820112).

Almost surely, 2^45802903 is an apocalyptic number.

45802903 is a deficient number, since it is larger than the sum of its proper divisors (1477545).

45802903 is a wasteful number, since it uses less digits than its factorization.

45802903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477544.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 45802903 is about 6767.7842016424. The cubic root of 45802903 is about 357.7923095451.

The spelling of 45802903 in words is "forty-five million, eight hundred two thousand, nine hundred three".