745141855 has 4 divisors (see below), whose sum is σ = 894170232. Its totient is φ = 596113480.

The previous prime is 745141781. The next prime is 745141889. The reversal of 745141855 is 558141547.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 745141855 - 2²¹ = 743044703 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 74514181 + ... + 74514190.

It is an arithmetic number, because the mean of its divisors is an integer number (223542558).

Almost surely, 2^745141855 is an apocalyptic number.

745141855 is a deficient number, since it is larger than the sum of its proper divisors (149028377).

745141855 is a wasteful number, since it uses less digits than its factorization.

745141855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149028376.

The product of its digits is 112000, while the sum is 40.

The square root of 745141855 is about 27297.2865867654. The cubic root of 745141855 is about 906.5943041807.

The spelling of 745141855 in words is "seven hundred forty-five million, one hundred forty-one thousand, eight hundred fifty-five".