45628143 has 8 divisors (see below), whose sum is σ = 66368256. Its totient is φ = 27653400.

The previous prime is 45628111. The next prime is 45628147. The reversal of 45628143 is 34182654.

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

It is not a de Polignac number, because 45628143 - 2⁵ = 45628111 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1382671 = 45628143 / (4 + 5 + 6 + 2 + 8 + 1 + 4 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45628147) 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, 691303 + ... + 691368.

It is an arithmetic number, because the mean of its divisors is an integer number (8296032).

Almost surely, 2^45628143 is an apocalyptic number.

45628143 is a deficient number, since it is larger than the sum of its proper divisors (20740113).

45628143 is a wasteful number, since it uses less digits than its factorization.

45628143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382685.

The product of its digits is 23040, while the sum is 33.

The square root of 45628143 is about 6754.8606943445. The cubic root of 45628143 is about 357.3366799278.

The spelling of 45628143 in words is "forty-five million, six hundred twenty-eight thousand, one hundred forty-three".