45513428 has 12 divisors (see below), whose sum is σ = 80437812. Its totient is φ = 22531200.

The previous prime is 45513427. The next prime is 45513431. The reversal of 45513428 is 82431554.

It can be written as a sum of positive squares in 2 ways, for example, as 26399044 + 19114384 = 5138^2 + 4372^2 .

It is a super-2 number, since 2×45513428² = 4142944256622368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45513394 and 45513403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45513421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55925 + ... + 56732.

It is an arithmetic number, because the mean of its divisors is an integer number (6703151).

Almost surely, 2^45513428 is an apocalyptic number.

It is an amenable number.

45513428 is a deficient number, since it is larger than the sum of its proper divisors (34924384).

45513428 is a wasteful number, since it uses less digits than its factorization.

45513428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112762 (or 112760 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 45513428 is about 6746.3640577722. The cubic root of 45513428 is about 357.0369652083.

The spelling of 45513428 in words is "forty-five million, five hundred thirteen thousand, four hundred twenty-eight".