45729141 has 8 divisors (see below), whose sum is σ = 61056384. Its totient is φ = 30444000.

The previous prime is 45729139. The next prime is 45729149. The reversal of 45729141 is 14192754.

It is a happy number.

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

It is not a de Polignac number, because 45729141 - 2¹ = 45729139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45729149) 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, 7896 + ... + 12401.

It is an arithmetic number, because the mean of its divisors is an integer number (7632048).

Almost surely, 2^45729141 is an apocalyptic number.

It is an amenable number.

45729141 is a deficient number, since it is larger than the sum of its proper divisors (15327243).

45729141 is a wasteful number, since it uses less digits than its factorization.

45729141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21051.

The product of its digits is 10080, while the sum is 33.

The square root of 45729141 is about 6762.3325117891. The cubic root of 45729141 is about 357.6001408219.

The spelling of 45729141 in words is "forty-five million, seven hundred twenty-nine thousand, one hundred forty-one".