45540574 has 4 divisors (see below), whose sum is σ = 68310864. Its totient is φ = 22770286.

The previous prime is 45540571. The next prime is 45540589. The reversal of 45540574 is 47504554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47504554 = 2 ⋅23752277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45540571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11385142 + ... + 11385145.

It is an arithmetic number, because the mean of its divisors is an integer number (17077716).

Almost surely, 2^45540574 is an apocalyptic number.

45540574 is a deficient number, since it is larger than the sum of its proper divisors (22770290).

45540574 is a wasteful number, since it uses less digits than its factorization.

45540574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22770289.

The product of its (nonzero) digits is 56000, while the sum is 34.

The square root of 45540574 is about 6748.3756564080. The cubic root of 45540574 is about 357.1079347339.

The spelling of 45540574 in words is "forty-five million, five hundred forty thousand, five hundred seventy-four".