45877861 has 16 divisors (see below), whose sum is σ = 49020928. Its totient is φ = 42865200.

The previous prime is 45877829. The next prime is 45877873. The reversal of 45877861 is 16877854.

It is a 3-Lehmer number, since φ(45877861) divides (45877861-1)³.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 45877861 - 2⁵ = 45877829 is a prime.

It is a deceptive number, since it divides R_45877860.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45877961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169156 + ... + 169426.

It is an arithmetic number, because the mean of its divisors is an integer number (3063808).

It is a Poulet number, since it divides 2^45877860-1.

Almost surely, 2^45877861 is an apocalyptic number.

It is an amenable number.

45877861 is a deficient number, since it is larger than the sum of its proper divisors (3143067).

45877861 is a wasteful number, since it uses less digits than its factorization.

45877861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472.

The product of its digits is 376320, while the sum is 46.

The square root of 45877861 is about 6773.3197916531. The cubic root of 45877861 is about 357.9873829079.

The spelling of 45877861 in words is "forty-five million, eight hundred seventy-seven thousand, eight hundred sixty-one".