45143001 has 10 divisors (see below), whose sum is σ = 67435962. Its totient is φ = 30095280.

The previous prime is 45142957. The next prime is 45143003. The reversal of 45143001 is 10034154.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 43877376 + 1265625 = 6624^2 + 1125^2 .

It is not a de Polignac number, because 45143001 - 2⁷ = 45142873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45143003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 278580 + ... + 278741.

Almost surely, 2^45143001 is an apocalyptic number.

It is an amenable number.

45143001 is a deficient number, since it is larger than the sum of its proper divisors (22292961).

45143001 is an equidigital number, since it uses as much as digits as its factorization.

45143001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557333 (or 557324 counting only the distinct ones).

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

The square root of 45143001 is about 6718.8541433789. The cubic root of 45143001 is about 356.0657019038.

Adding to 45143001 its reverse (10034154), we get a palindrome (55177155).

The spelling of 45143001 in words is "forty-five million, one hundred forty-three thousand, one".