45511533 has 24 divisors (see below), whose sum is σ = 70270200. Its totient is φ = 28283904.

The previous prime is 45511483. The next prime is 45511547. The reversal of 45511533 is 33511554.

It can be written as a sum of positive squares in 4 ways, for example, as 29615364 + 15896169 = 5442^2 + 3987^2 .

It is not a de Polignac number, because 45511533 - 2⁹ = 45511021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45511497 and 45511506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45511553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15313 + ... + 18041.

It is an arithmetic number, because the mean of its divisors is an integer number (2927925).

Almost surely, 2^45511533 is an apocalyptic number.

It is an amenable number.

45511533 is a deficient number, since it is larger than the sum of its proper divisors (24758667).

45511533 is a wasteful number, since it uses less digits than its factorization.

45511533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861 (or 2858 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 45511533 is about 6746.2236102875. The cubic root of 45511533 is about 357.0320099349.

It can be divided in two parts, 4551 and 1533, that added together give a square (6084 = 78²).

The spelling of 45511533 in words is "forty-five million, five hundred eleven thousand, five hundred thirty-three".