45742405 has 16 divisors (see below), whose sum is σ = 58766400. Its totient is φ = 34076160.

The previous prime is 45742381. The next prime is 45742409. The reversal of 45742405 is 50424754.

It is not a de Polignac number, because 45742405 - 2⁵ = 45742373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45742409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1525 + ... + 9685.

It is an arithmetic number, because the mean of its divisors is an integer number (3672900).

Almost surely, 2^45742405 is an apocalyptic number.

It is an amenable number.

45742405 is a deficient number, since it is larger than the sum of its proper divisors (13023995).

45742405 is a wasteful number, since it uses less digits than its factorization.

45742405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8244.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 45742405 is about 6763.3131673759. The cubic root of 45742405 is about 357.6347121379.

The spelling of 45742405 in words is "forty-five million, seven hundred forty-two thousand, four hundred five".