744145001 has 4 divisors (see below), whose sum is σ = 744576132. Its totient is φ = 743713872.

The previous prime is 744144983. The next prime is 744145007. The reversal of 744145001 is 100541447.

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

It can be written as a sum of positive squares in 2 ways, for example, as 583464025 + 160680976 = 24155^2 + 12676^2 .

It is a cyclic number.

It is not a de Polignac number, because 744145001 - 2²⁶ = 677036137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744145007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212966 + ... + 216431.

It is an arithmetic number, because the mean of its divisors is an integer number (186144033).

Almost surely, 2^744145001 is an apocalyptic number.

It is an amenable number.

744145001 is a deficient number, since it is larger than the sum of its proper divisors (431131).

744145001 is a wasteful number, since it uses less digits than its factorization.

744145001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431130.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 744145001 is about 27279.0212617682. The cubic root of 744145001 is about 906.1898418347.

Adding to 744145001 its reverse (100541447), we get a palindrome (844686448).

The spelling of 744145001 in words is "seven hundred forty-four million, one hundred forty-five thousand, one".