45877140 has 36 divisors (see below), whose sum is σ = 139161204. Its totient is φ = 12233856.

The previous prime is 45877133. The next prime is 45877141. The reversal of 45877140 is 4177854.

45877140 is a `hidden beast` number, since 4 + 587 + 71 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7387524 + 38489616 = 2718^2 + 6204^2 .

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 junction number, because it is equal to n+sod(n) for n = 45877095 and 45877104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45877141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127257 + ... + 127616.

It is an arithmetic number, because the mean of its divisors is an integer number (3865589).

Almost surely, 2^45877140 is an apocalyptic number.

It is an amenable number.

45877140 is an abundant number, since it is smaller than the sum of its proper divisors (93284064).

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

45877140 is a wasteful number, since it uses less digits than its factorization.

45877140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254888 (or 254883 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 45877140 is about 6773.2665679124. The cubic root of 45877140 is about 357.9855075643.

The spelling of 45877140 in words is "forty-five million, eight hundred seventy-seven thousand, one hundred forty".