45543812 has 6 divisors (see below), whose sum is σ = 79701678. Its totient is φ = 22771904.

The previous prime is 45543809. The next prime is 45543847. The reversal of 45543812 is 21834554.

45543812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39112516 + 6431296 = 6254^2 + 2536^2 .

It is a super-2 number, since 2×45543812² = 4148477622982688, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 5692973 + ... + 5692980.

It is an arithmetic number, because the mean of its divisors is an integer number (13283613).

Almost surely, 2^45543812 is an apocalyptic number.

It is an amenable number.

45543812 is a deficient number, since it is larger than the sum of its proper divisors (34157866).

45543812 is a wasteful number, since it uses less digits than its factorization.

45543812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11385957 (or 11385955 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 45543812 is about 6748.6155617282. The cubic root of 45543812 is about 357.1163981617.

The spelling of 45543812 in words is "forty-five million, five hundred forty-three thousand, eight hundred twelve".