745140856 has 8 divisors (see below), whose sum is σ = 1397139120. Its totient is φ = 372570424.

The previous prime is 745140853. The next prime is 745140859. The reversal of 745140856 is 658041547.

It is an interprime number because it is at equal distance from previous prime (745140853) and next prime (745140859).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745140853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46571296 + ... + 46571311.

It is an arithmetic number, because the mean of its divisors is an integer number (174642390).

Almost surely, 2^745140856 is an apocalyptic number.

It is an amenable number.

745140856 is a deficient number, since it is larger than the sum of its proper divisors (651998264).

745140856 is a wasteful number, since it uses less digits than its factorization.

745140856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93142613 (or 93142609 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 745140856 is about 27297.2682882372. The cubic root of 745140856 is about 906.5938990283.

The spelling of 745140856 in words is "seven hundred forty-five million, one hundred forty thousand, eight hundred fifty-six".