45640150 has 24 divisors (see below), whose sum is σ = 85072680. Its totient is φ = 18216960.

The previous prime is 45640141. The next prime is 45640151. The reversal of 45640150 is 5104654.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45640151) 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, 37857 + ... + 39043.

It is an arithmetic number, because the mean of its divisors is an integer number (3544695).

Almost surely, 2^45640150 is an apocalyptic number.

45640150 is a deficient number, since it is larger than the sum of its proper divisors (39432530).

45640150 is a wasteful number, since it uses less digits than its factorization.

45640150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 45640150 is about 6755.7494032861. The cubic root of 45640150 is about 357.3680214416.

The spelling of 45640150 in words is "forty-five million, six hundred forty thousand, one hundred fifty".