45561439 has 16 divisors (see below), whose sum is σ = 57496320. Its totient is φ = 35069760.

The previous prime is 45561437. The next prime is 45561443. The reversal of 45561439 is 93416554.

It is not a de Polignac number, because 45561439 - 2¹ = 45561437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45561398 and 45561407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45561431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2827 + ... + 9955.

It is an arithmetic number, because the mean of its divisors is an integer number (3593520).

Almost surely, 2^45561439 is an apocalyptic number.

45561439 is a deficient number, since it is larger than the sum of its proper divisors (11934881).

45561439 is a wasteful number, since it uses less digits than its factorization.

45561439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7230.

The product of its digits is 64800, while the sum is 37.

The square root of 45561439 is about 6749.9214069499. The cubic root of 45561439 is about 357.1624642721.

It can be divided in two parts, 4556 and 1439, that added together give a palindrome (5995).

The spelling of 45561439 in words is "forty-five million, five hundred sixty-one thousand, four hundred thirty-nine".