45457566 has 64 divisors (see below), whose sum is σ = 115278336. Its totient is φ = 11606400.

The previous prime is 45457549. The next prime is 45457583. The reversal of 45457566 is 66575454.

45457566 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 (45457549) and next prime (45457583).

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

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 27376 + ... + 28988.

It is an arithmetic number, because the mean of its divisors is an integer number (1801224).

Almost surely, 2^45457566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45457566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57639168).

45457566 is an abundant number, since it is smaller than the sum of its proper divisors (69820770).

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

45457566 is a wasteful number, since it uses less digits than its factorization.

45457566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697.

The product of its digits is 504000, while the sum is 42.

The square root of 45457566 is about 6742.2226305574. Note that the first 3 decimals coincide. The cubic root of 45457566 is about 356.8908327715.

The spelling of 45457566 in words is "forty-five million, four hundred fifty-seven thousand, five hundred sixty-six".