45409743 has 12 divisors (see below), whose sum is σ = 65681928. Its totient is φ = 30231600.

The previous prime is 45409717. The next prime is 45409759. The reversal of 45409743 is 34790454.

It is a de Polignac number, because none of the positive numbers 2^k-45409743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45409698 and 45409707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45409043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4393 + ... + 10493.

It is an arithmetic number, because the mean of its divisors is an integer number (5473494).

Almost surely, 2^45409743 is an apocalyptic number.

45409743 is a deficient number, since it is larger than the sum of its proper divisors (20272185).

45409743 is a wasteful number, since it uses less digits than its factorization.

45409743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6934 (or 6931 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 45409743 is about 6738.6751665294. The cubic root of 45409743 is about 356.7656348449.

The spelling of 45409743 in words is "forty-five million, four hundred nine thousand, seven hundred forty-three".