45591066 has 16 divisors (see below), whose sum is σ = 101313600. Its totient is φ = 15197004.

The previous prime is 45591061. The next prime is 45591101. The reversal of 45591066 is 66019554.

45591066 is a `hidden beast` number, since 4 + 5 + 591 + 0 + 66 = 666.

It is a super-3 number, since 3×45591066³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45591066.

It is not an unprimeable number, because it can be changed into a prime (45591061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422086 + ... + 422193.

It is an arithmetic number, because the mean of its divisors is an integer number (6332100).

Almost surely, 2^45591066 is an apocalyptic number.

45591066 is an abundant number, since it is smaller than the sum of its proper divisors (55722534).

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

45591066 is a wasteful number, since it uses less digits than its factorization.

45591066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844290 (or 844284 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 45591066 is about 6752.1156684405. The cubic root of 45591066 is about 357.2398642238.

It can be divided in two parts, 4559 and 1066, that added together give a square (5625 = 75²).

The spelling of 45591066 in words is "forty-five million, five hundred ninety-one thousand, sixty-six".