45006123 has 16 divisors (see below), whose sum is σ = 63917856. Its totient is φ = 28070400.

The previous prime is 45006113. The next prime is 45006131. The reversal of 45006123 is 32160054.

It is a happy number.

It is not a de Polignac number, because 45006123 - 2⁴ = 45006107 is a prime.

It is a super-2 number, since 2×45006123² = 4051102214982258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45006123.

It is not an unprimeable number, because it can be changed into a prime (45006113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6273 + ... + 11373.

It is an arithmetic number, because the mean of its divisors is an integer number (3994866).

Almost surely, 2^45006123 is an apocalyptic number.

45006123 is a deficient number, since it is larger than the sum of its proper divisors (18911733).

45006123 is a wasteful number, since it uses less digits than its factorization.

45006123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 45006123 is about 6708.6602984501. The cubic root of 45006123 is about 355.7054622046.

Adding to 45006123 its reverse (32160054), we get a palindrome (77166177).

The spelling of 45006123 in words is "forty-five million, six thousand, one hundred twenty-three".