45142782 has 16 divisors (see below), whose sum is σ = 90693120. Its totient is φ = 14979672.

The previous prime is 45142781. The next prime is 45142807. The reversal of 45142782 is 28724154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45142781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15532 + ... + 18207.

It is an arithmetic number, because the mean of its divisors is an integer number (5668320).

Almost surely, 2^45142782 is an apocalyptic number.

45142782 is an abundant number, since it is smaller than the sum of its proper divisors (45550338).

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

45142782 is a wasteful number, since it uses less digits than its factorization.

45142782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33967.

The product of its digits is 17920, while the sum is 33.

The square root of 45142782 is about 6718.8378459373. The cubic root of 45142782 is about 356.0651261149.

The spelling of 45142782 in words is "forty-five million, one hundred forty-two thousand, seven hundred eighty-two".