45374140 has 24 divisors (see below), whose sum is σ = 108898272. Its totient is φ = 15556800.

The previous prime is 45374137. The next prime is 45374237. The reversal of 45374140 is 4147354.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 45374099 and 45374108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161911 + ... + 162190.

It is an arithmetic number, because the mean of its divisors is an integer number (4537428).

Almost surely, 2^45374140 is an apocalyptic number.

It is an amenable number.

45374140 is an abundant number, since it is smaller than the sum of its proper divisors (63524132).

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

45374140 is a wasteful number, since it uses less digits than its factorization.

45374140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324117 (or 324115 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 45374140 is about 6736.0329571640. The cubic root of 45374140 is about 356.6723711008.

The spelling of 45374140 in words is "forty-five million, three hundred seventy-four thousand, one hundred forty".