45111902 has 24 divisors (see below), whose sum is σ = 75644280. Its totient is φ = 20010480.

The previous prime is 45111893. The next prime is 45111919. The reversal of 45111902 is 20911154.

It is a happy number.

45111902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 40124 + ... + 41232.

It is an arithmetic number, because the mean of its divisors is an integer number (3151845).

Almost surely, 2^45111902 is an apocalyptic number.

45111902 is a deficient number, since it is larger than the sum of its proper divisors (30532378).

45111902 is a wasteful number, since it uses less digits than its factorization.

45111902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 45111902 is about 6716.5394363467. The cubic root of 45111902 is about 355.9839186019.

The spelling of 45111902 in words is "forty-five million, one hundred eleven thousand, nine hundred two".