45081742 has 8 divisors (see below), whose sum is σ = 69061536. Its totient is φ = 22061232.

The previous prime is 45081733. The next prime is 45081749. The reversal of 45081742 is 24718054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45081749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239703 + ... + 239890.

It is an arithmetic number, because the mean of its divisors is an integer number (8632692).

Almost surely, 2^45081742 is an apocalyptic number.

45081742 is a deficient number, since it is larger than the sum of its proper divisors (23979794).

45081742 is a wasteful number, since it uses less digits than its factorization.

45081742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479642.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 45081742 is about 6714.2938571379. The cubic root of 45081742 is about 355.9045687478.

Adding to 45081742 its reverse (24718054), we get a palindrome (69799796).

The spelling of 45081742 in words is "forty-five million, eighty-one thousand, seven hundred forty-two".