756838145 has 32 divisors (see below), whose sum is σ = 1086213888. Its totient is φ = 495376128.

The previous prime is 756838127. The next prime is 756838169. The reversal of 756838145 is 541838657.

It is not a de Polignac number, because 756838145 - 2¹⁰ = 756837121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 756838145.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63122 + ... + 74148.

It is an arithmetic number, because the mean of its divisors is an integer number (33944184).

Almost surely, 2^756838145 is an apocalyptic number.

It is an amenable number.

756838145 is a deficient number, since it is larger than the sum of its proper divisors (329375743).

756838145 is a wasteful number, since it uses less digits than its factorization.

756838145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11129.

The product of its digits is 806400, while the sum is 47.

The square root of 756838145 is about 27510.6914671369. The cubic root of 756838145 is about 911.3132209138.

The spelling of 756838145 in words is "seven hundred fifty-six million, eight hundred thirty-eight thousand, one hundred forty-five".