745288311 has 4 divisors (see below), whose sum is σ = 993717752. Its totient is φ = 496858872.

The previous prime is 745288307. The next prime is 745288321. The reversal of 745288311 is 113882547.

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

It is not a de Polignac number, because 745288311 - 2² = 745288307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 745288311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745288321) 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, 124214716 + ... + 124214721.

It is an arithmetic number, because the mean of its divisors is an integer number (248429438).

Almost surely, 2^745288311 is an apocalyptic number.

745288311 is a deficient number, since it is larger than the sum of its proper divisors (248429441).

745288311 is a wasteful number, since it uses less digits than its factorization.

745288311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248429440.

The product of its digits is 53760, while the sum is 39.

The square root of 745288311 is about 27299.9690659165. The cubic root of 745288311 is about 906.6536966648.

The spelling of 745288311 in words is "seven hundred forty-five million, two hundred eighty-eight thousand, three hundred eleven".