961843145 has 16 divisors (see below), whose sum is σ = 1196674560. Its totient is φ = 741284544.

The previous prime is 961843133. The next prime is 961843163. The reversal of 961843145 is 541348169.

It is not a de Polignac number, because 961843145 - 2²² = 957648841 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59972 + ... + 74298.

It is an arithmetic number, because the mean of its divisors is an integer number (74792160).

Almost surely, 2^961843145 is an apocalyptic number.

It is an amenable number.

961843145 is a deficient number, since it is larger than the sum of its proper divisors (234831415).

961843145 is a wasteful number, since it uses less digits than its factorization.

961843145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14824.

The product of its digits is 103680, while the sum is 41.

The square root of 961843145 is about 31013.5961313744. The cubic root of 961843145 is about 987.1157575744.

The spelling of 961843145 in words is "nine hundred sixty-one million, eight hundred forty-three thousand, one hundred forty-five".