45142930 has 16 divisors (see below), whose sum is σ = 92865600. Its totient is φ = 15477552.

The previous prime is 45142921. The next prime is 45142957. The reversal of 45142930 is 3924154.

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, 322380 + ... + 322519.

It is an arithmetic number, because the mean of its divisors is an integer number (5804100).

Almost surely, 2^45142930 is an apocalyptic number.

45142930 is an abundant number, since it is smaller than the sum of its proper divisors (47722670).

45142930 is a wasteful number, since it uses less digits than its factorization.

45142930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644913.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 45142930 is about 6718.8488597378. The cubic root of 45142930 is about 356.0655152327.

The spelling of 45142930 in words is "forty-five million, one hundred forty-two thousand, nine hundred thirty".