45611523 has 12 divisors (see below), whose sum is σ = 66867528. Its totient is φ = 29953440.

The previous prime is 45611473. The next prime is 45611539. The reversal of 45611523 is 32511654.

45611523 is a `hidden beast` number, since 45 + 611 + 5 + 2 + 3 = 666.

It is not a de Polignac number, because 45611523 - 2⁹ = 45611011 is a prime.

It is a super-2 number, since 2×45611523² = 4160822060759058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45611563) 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, 37218 + ... + 38423.

It is an arithmetic number, because the mean of its divisors is an integer number (5572294).

Almost surely, 2^45611523 is an apocalyptic number.

45611523 is a deficient number, since it is larger than the sum of its proper divisors (21256005).

45611523 is a wasteful number, since it uses less digits than its factorization.

45611523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75714 (or 75711 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 45611523 is about 6753.6303570746. The cubic root of 45611523 is about 357.2932881638.

It can be divided in two parts, 4561 and 1523, that added together give a square (6084 = 78²).

The spelling of 45611523 in words is "forty-five million, six hundred eleven thousand, five hundred twenty-three".