961565145 has 8 divisors (see below), whose sum is σ = 1538504256. Its totient is φ = 512834736.

The previous prime is 961565119. The next prime is 961565159. The reversal of 961565145 is 541565169.

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

It is not a de Polignac number, because 961565145 - 2⁵ = 961565113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 961565097 and 961565106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32052157 + ... + 32052186.

It is an arithmetic number, because the mean of its divisors is an integer number (192313032).

Almost surely, 2^961565145 is an apocalyptic number.

It is an amenable number.

961565145 is a deficient number, since it is larger than the sum of its proper divisors (576939111).

961565145 is a wasteful number, since it uses less digits than its factorization.

961565145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64104351.

The product of its digits is 162000, while the sum is 42.

The square root of 961565145 is about 31009.1139022062. The cubic root of 961565145 is about 987.0206469096.

The spelling of 961565145 in words is "nine hundred sixty-one million, five hundred sixty-five thousand, one hundred forty-five".