1442865141 has 24 divisors (see below), whose sum is σ = 2176402176. Its totient is φ = 919390560.

The previous prime is 1442865133. The next prime is 1442865143. The reversal of 1442865141 is 1415682441.

It is not a de Polignac number, because 1442865141 - 2³ = 1442865133 is a prime.

It is a super-2 number, since 2×1442865141² = 4163719630225899762, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1442865096 and 1442865105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442865143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 525031 + ... + 527771.

It is an arithmetic number, because the mean of its divisors is an integer number (90683424).

Almost surely, 2^1442865141 is an apocalyptic number.

It is an amenable number.

1442865141 is a deficient number, since it is larger than the sum of its proper divisors (733537035).

1442865141 is a wasteful number, since it uses less digits than its factorization.

1442865141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5313 (or 5310 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 1442865141 is about 37985.0647096987. The cubic root of 1442865141 is about 1129.9916831821.

The spelling of 1442865141 in words is "one billion, four hundred forty-two million, eight hundred sixty-five thousand, one hundred forty-one".