1442752443 has 24 divisors (see below), whose sum is σ = 2274906816. Its totient is φ = 873826800.

The previous prime is 1442752439. The next prime is 1442752453. The reversal of 1442752443 is 3442572441.

1442752443 is a `hidden beast` number, since 144 + 2 + 75 + 2 + 443 = 666.

It is not a de Polignac number, because 1442752443 - 2² = 1442752439 is a prime.

It is a super-2 number, since 2×1442752443² = 4163069223564936498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1442752398 and 1442752407.

It is not an unprimeable number, because it can be changed into a prime (1442752453) 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, 187396 + ... + 194942.

It is an arithmetic number, because the mean of its divisors is an integer number (94787784).

Almost surely, 2^1442752443 is an apocalyptic number.

1442752443 is a deficient number, since it is larger than the sum of its proper divisors (832154373).

1442752443 is a wasteful number, since it uses less digits than its factorization.

1442752443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9495 (or 9492 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 1442752443 is about 37983.5812292627. The cubic root of 1442752443 is about 1129.9622622947.

The spelling of 1442752443 in words is "one billion, four hundred forty-two million, seven hundred fifty-two thousand, four hundred forty-three".