1442652043 has 4 divisors (see below), whose sum is σ = 1648745200. Its totient is φ = 1236558888.

The previous prime is 1442651999. The next prime is 1442652077. The reversal of 1442652043 is 3402562441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1442652043 - 2¹⁷ = 1442520971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442651996 and 1442652014.

It is not an unprimeable number, because it can be changed into a prime (1442652443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103046568 + ... + 103046581.

It is an arithmetic number, because the mean of its divisors is an integer number (412186300).

Almost surely, 2^1442652043 is an apocalyptic number.

1442652043 is a deficient number, since it is larger than the sum of its proper divisors (206093157).

1442652043 is an equidigital number, since it uses as much as digits as its factorization.

1442652043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206093156.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 1442652043 is about 37982.2595825999. The cubic root of 1442652043 is about 1129.9360506270.

The spelling of 1442652043 in words is "one billion, four hundred forty-two million, six hundred fifty-two thousand, forty-three".