45123605 has 8 divisors (see below), whose sum is σ = 54562464. Its totient is φ = 35822800.

The previous prime is 45123599. The next prime is 45123643. The reversal of 45123605 is 50632154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45123605 - 2⁶ = 45123541 is a prime.

It is a super-2 number, since 2×45123605² = 4072279456392050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33791 + ... + 35100.

It is an arithmetic number, because the mean of its divisors is an integer number (6820308).

Almost surely, 2^45123605 is an apocalyptic number.

It is an amenable number.

45123605 is a deficient number, since it is larger than the sum of its proper divisors (9438859).

45123605 is a wasteful number, since it uses less digits than its factorization.

45123605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69027.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 45123605 is about 6717.4105874213. The cubic root of 45123605 is about 356.0146992416.

Adding to 45123605 its reverse (50632154), we get a palindrome (95755759).

The spelling of 45123605 in words is "forty-five million, one hundred twenty-three thousand, six hundred five".