45605023 has 4 divisors (see below), whose sum is σ = 47177640. Its totient is φ = 44032408.

The previous prime is 45605017. The next prime is 45605047. The reversal of 45605023 is 32050654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32050654 = 2 ⋅16025327.

It is a cyclic number.

It is not a de Polignac number, because 45605023 - 2⁹ = 45604511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45605093) 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, 786265 + ... + 786322.

It is an arithmetic number, because the mean of its divisors is an integer number (11794410).

Almost surely, 2^45605023 is an apocalyptic number.

45605023 is a deficient number, since it is larger than the sum of its proper divisors (1572617).

45605023 is a wasteful number, since it uses less digits than its factorization.

45605023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572616.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 45605023 is about 6753.1491172637. The cubic root of 45605023 is about 357.2763149916.

Adding to 45605023 its reverse (32050654), we get a palindrome (77655677).

The spelling of 45605023 in words is "forty-five million, six hundred five thousand, twenty-three".