45990546 has 32 divisors (see below), whose sum is σ = 108515328. Its totient is φ = 12715920.

The previous prime is 45990541. The next prime is 45990551. The reversal of 45990546 is 64509954.

It is a happy number.

45990546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45990541) and next prime (45990551).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45990498 and 45990507.

It is not an unprimeable number, because it can be changed into a prime (45990541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16360 + ... + 18963.

It is an arithmetic number, because the mean of its divisors is an integer number (3391104).

Almost surely, 2^45990546 is an apocalyptic number.

45990546 is an abundant number, since it is smaller than the sum of its proper divisors (62524782).

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

45990546 is a wasteful number, since it uses less digits than its factorization.

45990546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35366.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 45990546 is about 6781.6329891848. The cubic root of 45990546 is about 358.2802389455.

The spelling of 45990546 in words is "forty-five million, nine hundred ninety thousand, five hundred forty-six".