45730143 has 16 divisors (see below), whose sum is σ = 67856640. Its totient is φ = 30438072.

The previous prime is 45730121. The next prime is 45730151. The reversal of 45730143 is 34103754.

It is not a de Polignac number, because 45730143 - 2²² = 41535839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45730843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25680 + ... + 27402.

It is an arithmetic number, because the mean of its divisors is an integer number (4241040).

Almost surely, 2^45730143 is an apocalyptic number.

45730143 is a deficient number, since it is larger than the sum of its proper divisors (22126497).

45730143 is a wasteful number, since it uses less digits than its factorization.

45730143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715 (or 2709 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 45730143 is about 6762.4065982459. The cubic root of 45730143 is about 357.6027526701.

Adding to 45730143 its reverse (34103754), we get a palindrome (79833897).

The spelling of 45730143 in words is "forty-five million, seven hundred thirty thousand, one hundred forty-three".