45420303 has 4 divisors (see below), whose sum is σ = 60560408. Its totient is φ = 30280200.

The previous prime is 45420289. The next prime is 45420313. The reversal of 45420303 is 30302454.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45420303 - 2⁹ = 45419791 is a prime.

It is a super-2 number, since 2×45420303² = 4126007849223618, which contains 22 as substring.

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 45420303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45420313) 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, 7570048 + ... + 7570053.

It is an arithmetic number, because the mean of its divisors is an integer number (15140102).

Almost surely, 2^45420303 is an apocalyptic number.

45420303 is a deficient number, since it is larger than the sum of its proper divisors (15140105).

45420303 is a wasteful number, since it uses less digits than its factorization.

45420303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15140104.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 45420303 is about 6739.4586577855. The cubic root of 45420303 is about 356.7932878906.

Adding to 45420303 its reverse (30302454), we get a palindrome (75722757).

The spelling of 45420303 in words is "forty-five million, four hundred twenty thousand, three hundred three".