45001143 has 32 divisors (see below), whose sum is σ = 73125120. Its totient is φ = 27125280.

The previous prime is 45001123. The next prime is 45001147. The reversal of 45001143 is 34110054.

It is a happy number.

It is not a de Polignac number, because 45001143 - 2⁶ = 45001079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45001147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81996 + ... + 82542.

It is an arithmetic number, because the mean of its divisors is an integer number (2285160).

Almost surely, 2^45001143 is an apocalyptic number.

45001143 is a deficient number, since it is larger than the sum of its proper divisors (28123977).

45001143 is a wasteful number, since it uses less digits than its factorization.

45001143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 45001143 is about 6708.2891261483. The cubic root of 45001143 is about 355.6923419265.

Adding to 45001143 its reverse (34110054), we get a palindrome (79111197).

It can be divided in two parts, 450011 and 43, that added together give a palindrome (450054).

The spelling of 45001143 in words is "forty-five million, one thousand, one hundred forty-three".