1442920529 has 4 divisors (see below), whose sum is σ = 1443087360. Its totient is φ = 1442753700.

The previous prime is 1442920489. The next prime is 1442920537. The reversal of 1442920529 is 9250292441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9250292441 = 13 ⋅711560957.

It is a cyclic number.

It is not a de Polignac number, because 1442920529 - 2⁸ = 1442920273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1442920492 and 1442920501.

It is not an unprimeable number, because it can be changed into a prime (1442920559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69689 + ... + 87990.

It is an arithmetic number, because the mean of its divisors is an integer number (360771840).

Almost surely, 2^1442920529 is an apocalyptic number.

It is an amenable number.

1442920529 is a deficient number, since it is larger than the sum of its proper divisors (166831).

1442920529 is an equidigital number, since it uses as much as digits as its factorization.

1442920529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166830.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1442920529 is about 37985.7937787273. The cubic root of 1442920529 is about 1130.0061421861.

The spelling of 1442920529 in words is "one billion, four hundred forty-two million, nine hundred twenty thousand, five hundred twenty-nine".