45727142 has 8 divisors (see below), whose sum is σ = 70956000. Its totient is φ = 22075144.

The previous prime is 45727141. The next prime is 45727163. The reversal of 45727142 is 24172754.

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

It is a junction number, because it is equal to n+sod(n) for n = 45727099 and 45727108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45727141) 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, 394142 + ... + 394257.

It is an arithmetic number, because the mean of its divisors is an integer number (8869500).

Almost surely, 2^45727142 is an apocalyptic number.

45727142 is a deficient number, since it is larger than the sum of its proper divisors (25228858).

45727142 is a wasteful number, since it uses less digits than its factorization.

45727142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788430.

The product of its digits is 15680, while the sum is 32.

The square root of 45727142 is about 6762.1847061434. The cubic root of 45727142 is about 357.5949300447.

Adding to 45727142 its reverse (24172754), we get a palindrome (69899896).

The spelling of 45727142 in words is "forty-five million, seven hundred twenty-seven thousand, one hundred forty-two".