745460415485 has 4 divisors (see below), whose sum is σ = 894552498588. Its totient is φ = 596368332384.

The previous prime is 745460415481. The next prime is 745460415551. The reversal of 745460415485 is 584514064547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584514064547 = 7 ⋅83502009221.

It can be written as a sum of positive squares in 2 ways, for example, as 480584470564 + 264875944921 = 693242^2 + 514661^2 .

It is a cyclic number.

It is not a de Polignac number, because 745460415485 - 2² = 745460415481 is a prime.

It is a super-2 number, since 2×745460415485² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745460415481) 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, 74546041544 + ... + 74546041553.

It is an arithmetic number, because the mean of its divisors is an integer number (223638124647).

Almost surely, 2^745460415485 is an apocalyptic number.

It is an amenable number.

745460415485 is a deficient number, since it is larger than the sum of its proper divisors (149092083103).

745460415485 is a wasteful number, since it uses less digits than its factorization.

745460415485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149092083102.

The product of its (nonzero) digits is 10752000, while the sum is 53.

The spelling of 745460415485 in words is "seven hundred forty-five billion, four hundred sixty million, four hundred fifteen thousand, four hundred eighty-five".