745315 has 8 divisors (see below), whose sum is σ = 933408. Its totient is φ = 570240.

The previous prime is 745307. The next prime is 745337. The reversal of 745315 is 513547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 745315 - 2³ = 745307 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 745315.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3126 + ... + 3355.

It is an arithmetic number, because the mean of its divisors is an integer number (116676).

2⁷⁴⁵³¹⁵ is an apocalyptic number.

745315 is a deficient number, since it is larger than the sum of its proper divisors (188093).

745315 is a wasteful number, since it uses less digits than its factorization.

745315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6509.

The product of its digits is 2100, while the sum is 25.

The square root of 745315 is about 863.3162803979. The cubic root of 745315 is about 90.6664519050. Note that the first 3 decimals are identical.

The spelling of 745315 in words is "seven hundred forty-five thousand, three hundred fifteen".