45987546 has 32 divisors (see below), whose sum is σ = 101476800. Its totient is φ = 13777280.

The previous prime is 45987521. The next prime is 45987547. The reversal of 45987546 is 64578954.

It is a super-2 number, since 2×45987546² = 4229708774204232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45987495 and 45987504.

It is not an unprimeable number, because it can be changed into a prime (45987547) 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, 1960 + ... + 9788.

It is an arithmetic number, because the mean of its divisors is an integer number (3171150).

Almost surely, 2^45987546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45987546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50738400).

45987546 is an abundant number, since it is smaller than the sum of its proper divisors (55489254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45987546 is a wasteful number, since it uses less digits than its factorization.

45987546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7934.

The product of its digits is 1209600, while the sum is 48.

The square root of 45987546 is about 6781.4117999131. The cubic root of 45987546 is about 358.2724484741.

The spelling of 45987546 in words is "forty-five million, nine hundred eighty-seven thousand, five hundred forty-six".