45122861 has 8 divisors (see below), whose sum is σ = 52080384. Its totient is φ = 38293200.

The previous prime is 45122851. The next prime is 45122873. The reversal of 45122861 is 16822154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45122861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45122851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31205 + ... + 32618.

It is an arithmetic number, because the mean of its divisors is an integer number (6510048).

Almost surely, 2^45122861 is an apocalyptic number.

It is an amenable number.

45122861 is a deficient number, since it is larger than the sum of its proper divisors (6957523).

45122861 is a wasteful number, since it uses less digits than its factorization.

45122861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63931.

The product of its digits is 3840, while the sum is 29.

The square root of 45122861 is about 6717.3552087112. The cubic root of 45122861 is about 356.0127425688.

The spelling of 45122861 in words is "forty-five million, one hundred twenty-two thousand, eight hundred sixty-one".