45006405 has 32 divisors (see below), whose sum is σ = 75081600. Its totient is φ = 22993152.

The previous prime is 45006373. The next prime is 45006407. The reversal of 45006405 is 50460054.

It is not a de Polignac number, because 45006405 - 2⁵ = 45006373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45006407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67966 + ... + 68624.

It is an arithmetic number, because the mean of its divisors is an integer number (2346300).

Almost surely, 2^45006405 is an apocalyptic number.

It is an amenable number.

45006405 is a deficient number, since it is larger than the sum of its proper divisors (30075195).

45006405 is a wasteful number, since it uses less digits than its factorization.

45006405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 45006405 is about 6708.6813160263. The cubic root of 45006405 is about 355.7062051311.

Adding to 45006405 its reverse (50460054), we get a palindrome (95466459).

The spelling of 45006405 in words is "forty-five million, six thousand, four hundred five".