45349812 has 36 divisors (see below), whose sum is σ = 121379076. Its totient is φ = 14227200.

The previous prime is 45349781. The next prime is 45349817. The reversal of 45349812 is 21894354.

It can be written as a sum of positive squares in 2 ways, for example, as 28259856 + 17089956 = 5316^2 + 4134^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45349817) 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 11 ways as a sum of consecutive naturals, for example, 36439 + ... + 37662.

It is an arithmetic number, because the mean of its divisors is an integer number (3371641).

Almost surely, 2^45349812 is an apocalyptic number.

It is an amenable number.

45349812 is an abundant number, since it is smaller than the sum of its proper divisors (76029264).

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

45349812 is a wasteful number, since it uses less digits than its factorization.

45349812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74128 (or 74123 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 45349812 is about 6734.2269044041. The cubic root of 45349812 is about 356.6086146917.

The spelling of 45349812 in words is "forty-five million, three hundred forty-nine thousand, eight hundred twelve".