1442661165 has 64 divisors (see below), whose sum is σ = 2945203200. Its totient is φ = 662644800.

The previous prime is 1442661161. The next prime is 1442661217. The reversal of 1442661165 is 5611662441.

1442661165 is a `hidden beast` number, since 14 + 4 + 26 + 611 + 6 + 5 = 666.

It is not a de Polignac number, because 1442661165 - 2² = 1442661161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442661161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2650 + ... + 53780.

It is an arithmetic number, because the mean of its divisors is an integer number (46018800).

Almost surely, 2^1442661165 is an apocalyptic number.

1442661165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1442661165 is an abundant number, since it is smaller than the sum of its proper divisors (1502542035).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1442661165 is a wasteful number, since it uses less digits than its factorization.

1442661165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51175 (or 51169 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 1442661165 is about 37982.3796647867. The cubic root of 1442661165 is about 1129.9384321795.

The spelling of 1442661165 in words is "one billion, four hundred forty-two million, six hundred sixty-one thousand, one hundred sixty-five".