745155478 has 16 divisors (see below), whose sum is σ = 1127900160. Its totient is φ = 369202536.

The previous prime is 745155431. The next prime is 745155479. The reversal of 745155478 is 874551547.

745155478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745155479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113851 + ... + 120217.

It is an arithmetic number, because the mean of its divisors is an integer number (70493760).

Almost surely, 2^745155478 is an apocalyptic number.

745155478 is a deficient number, since it is larger than the sum of its proper divisors (382744682).

745155478 is a wasteful number, since it uses less digits than its factorization.

745155478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6891.

The product of its digits is 784000, while the sum is 46.

The square root of 745155478 is about 27297.5361159208. The cubic root of 745155478 is about 906.5998290611.

The spelling of 745155478 in words is "seven hundred forty-five million, one hundred fifty-five thousand, four hundred seventy-eight".