45405705 has 8 divisors (see below), whose sum is σ = 72649152. Its totient is φ = 24216368.

The previous prime is 45405667. The next prime is 45405709. The reversal of 45405705 is 50750454.

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 45405705 - 2⁸ = 45405449 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45405709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1513509 + ... + 1513538.

It is an arithmetic number, because the mean of its divisors is an integer number (9081144).

Almost surely, 2^45405705 is an apocalyptic number.

It is an amenable number.

45405705 is a deficient number, since it is larger than the sum of its proper divisors (27243447).

45405705 is a wasteful number, since it uses less digits than its factorization.

45405705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027055.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 45405705 is about 6738.3755460793. The cubic root of 45405705 is about 356.7550595642.

The spelling of 45405705 in words is "forty-five million, four hundred five thousand, seven hundred five".