45201623 has 12 divisors (see below), whose sum is σ = 48297240. Its totient is φ = 42294912.

The previous prime is 45201599. The next prime is 45201659. The reversal of 45201623 is 32610254.

It is not a de Polignac number, because 45201623 - 2¹⁰ = 45200599 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 (45201223) 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, 65840 + ... + 66522.

It is an arithmetic number, because the mean of its divisors is an integer number (4024770).

Almost surely, 2^45201623 is an apocalyptic number.

45201623 is a deficient number, since it is larger than the sum of its proper divisors (3095617).

45201623 is a wasteful number, since it uses less digits than its factorization.

45201623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 45201623 is about 6723.2152278504. The cubic root of 45201623 is about 356.2197623664.

Adding to 45201623 its reverse (32610254), we get a palindrome (77811877).

The spelling of 45201623 in words is "forty-five million, two hundred one thousand, six hundred twenty-three".