45003405 has 24 divisors (see below), whose sum is σ = 73135008. Its totient is φ = 23630976.

The previous prime is 45003397. The next prime is 45003449. The reversal of 45003405 is 50430054.

It is a happy number.

It is not a de Polignac number, because 45003405 - 2³ = 45003397 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79654 + ... + 80216.

It is an arithmetic number, because the mean of its divisors is an integer number (3047292).

Almost surely, 2^45003405 is an apocalyptic number.

It is an amenable number.

45003405 is a deficient number, since it is larger than the sum of its proper divisors (28131603).

45003405 is an equidigital number, since it uses as much as digits as its factorization.

45003405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 45003405 is about 6708.4577214141. The cubic root of 45003405 is about 355.6983014981.

Adding to 45003405 its reverse (50430054), we get a palindrome (95433459).

The spelling of 45003405 in words is "forty-five million, three thousand, four hundred five".