745202289001 has 3 divisors (see below), whose sum is σ = 745203152253. Its totient is φ = 745201425750.

The previous prime is 745202288981. The next prime is 745202289043. The reversal of 745202289001 is 100982202547.

The square root of 745202289001 is 863251.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 745202289001 - 2⁹ = 745202288489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745202289061) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 431626 + ... + 1294876.

It is an arithmetic number, because the mean of its divisors is an integer number (248401050751).

Almost surely, 2^745202289001 is an apocalyptic number.

745202289001 is the 863251-st square number.

745202289001 is the 431626-th centered octagonal number.

It is an amenable number.

745202289001 is a deficient number, since it is larger than the sum of its proper divisors (863252).

745202289001 is an frugal number, since it uses more digits than its factorization.

745202289001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726502 (or 863251 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 745202289001 in words is "seven hundred forty-five billion, two hundred two million, two hundred eighty-nine thousand, one".