45542405 has 8 divisors (see below), whose sum is σ = 57865752. Its totient is φ = 34290688.

The previous prime is 45542359. The next prime is 45542429. The reversal of 45542405 is 50424554.

45542405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 410881 + 45131524 = 641^2 + 6718^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 45542405 - 2²⁴ = 28765189 is a prime.

It is a super-2 number, since 2×45542405² = 4148221306368050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267812 + ... + 267981.

It is an arithmetic number, because the mean of its divisors is an integer number (7233219).

Almost surely, 2^45542405 is an apocalyptic number.

It is an amenable number.

45542405 is a deficient number, since it is larger than the sum of its proper divisors (12323347).

45542405 is a wasteful number, since it uses less digits than its factorization.

45542405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535815.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 45542405 is about 6748.5113173203. The cubic root of 45542405 is about 357.1127206190.

Adding to 45542405 its reverse (50424554), we get a palindrome (95966959).

The spelling of 45542405 in words is "forty-five million, five hundred forty-two thousand, four hundred five".