45266820 has 48 divisors (see below), whose sum is σ = 130841088. Its totient is φ = 11681280.

The previous prime is 45266813. The next prime is 45266821. The reversal of 45266820 is 2866254.

45266820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (45266821) 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, 10309 + ... + 14028.

It is an arithmetic number, because the mean of its divisors is an integer number (2725856).

Almost surely, 2^45266820 is an apocalyptic number.

It is an amenable number.

45266820 is an abundant number, since it is smaller than the sum of its proper divisors (85574268).

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

45266820 is a wasteful number, since it uses less digits than its factorization.

45266820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24380 (or 24378 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 45266820 is about 6728.0621281317. The cubic root of 45266820 is about 356.3909457682.

The spelling of 45266820 in words is "forty-five million, two hundred sixty-six thousand, eight hundred twenty".