745455 has 8 divisors (see below), whose sum is σ = 1192752. Its totient is φ = 397568.

The previous prime is 745397. The next prime is 745471. The reversal of 745455 is 554547.

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

It is a cyclic number.

It is not a de Polignac number, because 745455 - 2⁶ = 745391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24834 + ... + 24863.

It is an arithmetic number, because the mean of its divisors is an integer number (149094).

2⁷⁴⁵⁴⁵⁵ is an apocalyptic number.

745455 is a deficient number, since it is larger than the sum of its proper divisors (447297).

745455 is a wasteful number, since it uses less digits than its factorization.

745455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49705.

The product of its digits is 14000, while the sum is 30.

The square root of 745455 is about 863.3973592732. The cubic root of 745455 is about 90.6721284796.

The spelling of 745455 in words is "seven hundred forty-five thousand, four hundred fifty-five".