961011145 has 8 divisors (see below), whose sum is σ = 1154349000. Its totient is φ = 768051840.

The previous prime is 961011143. The next prime is 961011157. The reversal of 961011145 is 541110169.

It can be written as a sum of positive squares in 4 ways, for example, as 197136 + 960814009 = 444^2 + 30997^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 961011145 - 2¹ = 961011143 is a prime.

It is a super-2 number, since 2×961011145² = 1847084841628422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (961011143) 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, 89020 + ... + 99229.

It is an arithmetic number, because the mean of its divisors is an integer number (144293625).

Almost surely, 2^961011145 is an apocalyptic number.

It is an amenable number.

961011145 is a deficient number, since it is larger than the sum of its proper divisors (193337855).

961011145 is a wasteful number, since it uses less digits than its factorization.

961011145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189275.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 961011145 is about 31000.1797575433. The cubic root of 961011145 is about 986.8310551492.

The spelling of 961011145 in words is "nine hundred sixty-one million, eleven thousand, one hundred forty-five".