45446637 has 4 divisors (see below), whose sum is σ = 60595520. Its totient is φ = 30297756.

The previous prime is 45446623. The next prime is 45446659. The reversal of 45446637 is 73664454.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45446637 - 2¹¹ = 45444589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45446595 and 45446604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45446237) 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 3 ways as a sum of consecutive naturals, for example, 7574437 + ... + 7574442.

It is an arithmetic number, because the mean of its divisors is an integer number (15148880).

Almost surely, 2^45446637 is an apocalyptic number.

It is an amenable number.

45446637 is a deficient number, since it is larger than the sum of its proper divisors (15148883).

45446637 is a wasteful number, since it uses less digits than its factorization.

45446637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15148882.

The product of its digits is 241920, while the sum is 39.

The square root of 45446637 is about 6741.4120924329. The cubic root of 45446637 is about 356.8622290070.

The spelling of 45446637 in words is "forty-five million, four hundred forty-six thousand, six hundred thirty-seven".