45208405 has 8 divisors (see below), whose sum is σ = 59181984. Its totient is φ = 32878800.

The previous prime is 45208399. The next prime is 45208411. The reversal of 45208405 is 50480254.

It is an interprime number because it is at equal distance from previous prime (45208399) and next prime (45208411).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-45208405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410931 + ... + 411040.

It is an arithmetic number, because the mean of its divisors is an integer number (7397748).

Almost surely, 2^45208405 is an apocalyptic number.

It is an amenable number.

45208405 is a deficient number, since it is larger than the sum of its proper divisors (13973579).

45208405 is a wasteful number, since it uses less digits than its factorization.

45208405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821987.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 45208405 is about 6723.7195807083. The cubic root of 45208405 is about 356.2375770778.

Adding to 45208405 its reverse (50480254), we get a palindrome (95688659).

The spelling of 45208405 in words is "forty-five million, two hundred eight thousand, four hundred five".