45101405 has 4 divisors (see below), whose sum is σ = 54121692. Its totient is φ = 36081120.

The previous prime is 45101393. The next prime is 45101423. The reversal of 45101405 is 50410154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23020804 + 22080601 = 4798^2 + 4699^2 .

It is not a de Polignac number, because 45101405 - 2⁸ = 45101149 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 3 ways as a sum of consecutive naturals, for example, 4510136 + ... + 4510145.

It is an arithmetic number, because the mean of its divisors is an integer number (13530423).

Almost surely, 2^45101405 is an apocalyptic number.

It is an amenable number.

45101405 is a deficient number, since it is larger than the sum of its proper divisors (9020287).

45101405 is an equidigital number, since it uses as much as digits as its factorization.

45101405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9020286.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 45101405 is about 6715.7579616898. The cubic root of 45101405 is about 355.9563053935.

Adding to 45101405 its reverse (50410154), we get a palindrome (95511559).

The spelling of 45101405 in words is "forty-five million, one hundred one thousand, four hundred five".