45043653 has 4 divisors (see below), whose sum is σ = 60058208. Its totient is φ = 30029100.

The previous prime is 45043643. The next prime is 45043657. The reversal of 45043653 is 35634054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45043653 - 2¹³ = 45035461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45043653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45043657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7507273 + ... + 7507278.

It is an arithmetic number, because the mean of its divisors is an integer number (15014552).

Almost surely, 2^45043653 is an apocalyptic number.

It is an amenable number.

45043653 is a deficient number, since it is larger than the sum of its proper divisors (15014555).

45043653 is a wasteful number, since it uses less digits than its factorization.

45043653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15014554.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 45043653 is about 6711.4568463188. The cubic root of 45043653 is about 355.8043073996.

The spelling of 45043653 in words is "forty-five million, forty-three thousand, six hundred fifty-three".