45270143 has 4 divisors (see below), whose sum is σ = 45600720. Its totient is φ = 44939568.

The previous prime is 45270101. The next prime is 45270151. The reversal of 45270143 is 34107254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45270143 - 2⁶ = 45270079 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45270343) 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, 165083 + ... + 165356.

It is an arithmetic number, because the mean of its divisors is an integer number (11400180).

Almost surely, 2^45270143 is an apocalyptic number.

45270143 is a deficient number, since it is larger than the sum of its proper divisors (330577).

45270143 is a wasteful number, since it uses less digits than its factorization.

45270143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330576.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 45270143 is about 6728.3090743514. The cubic root of 45270143 is about 356.3996663435.

Adding to 45270143 its reverse (34107254), we get a palindrome (79377397).

The spelling of 45270143 in words is "forty-five million, two hundred seventy thousand, one hundred forty-three".