45225405 has 32 divisors (see below), whose sum is σ = 80680320. Its totient is φ = 24036480.

The previous prime is 45225403. The next prime is 45225407. The reversal of 45225405 is 50452254.

It is an interprime number because it is at equal distance from previous prime (45225403) and next prime (45225407).

It is not a de Polignac number, because 45225405 - 2¹ = 45225403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45225403) 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, 70014 + ... + 70656.

It is an arithmetic number, because the mean of its divisors is an integer number (2521260).

Almost surely, 2^45225405 is an apocalyptic number.

45225405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45225405 is a deficient number, since it is larger than the sum of its proper divisors (35454915).

45225405 is a wasteful number, since it uses less digits than its factorization.

45225405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 45225405 is about 6724.9836431028. The cubic root of 45225405 is about 356.2822242319.

Adding to 45225405 its reverse (50452254), we get a palindrome (95677659).

The spelling of 45225405 in words is "forty-five million, two hundred twenty-five thousand, four hundred five".