745389553 has 8 divisors (see below), whose sum is σ = 766069920. Its totient is φ = 724828320.

The previous prime is 745389529. The next prime is 745389559. The reversal of 745389553 is 355983547.

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 745389553 - 2²¹ = 743292401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 745389497 and 745389506.

It is not an unprimeable number, because it can be changed into a prime (745389559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17023 + ... + 42196.

It is an arithmetic number, because the mean of its divisors is an integer number (95758740).

Almost surely, 2^745389553 is an apocalyptic number.

It is an amenable number.

745389553 is a deficient number, since it is larger than the sum of its proper divisors (20680367).

745389553 is a wasteful number, since it uses less digits than its factorization.

745389553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59567.

The product of its digits is 2268000, while the sum is 49.

The square root of 745389553 is about 27301.8232541345. The cubic root of 745389553 is about 906.6947489109.

The spelling of 745389553 in words is "seven hundred forty-five million, three hundred eighty-nine thousand, five hundred fifty-three".