1442023141 has 8 divisors (see below), whose sum is σ = 1555313760. Its totient is φ = 1329070512.

The previous prime is 1442023139. The next prime is 1442023211. The reversal of 1442023141 is 1413202441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1442023141 - 2¹ = 1442023139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442023441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75595 + ... + 92728.

It is an arithmetic number, because the mean of its divisors is an integer number (194414220).

Almost surely, 2^1442023141 is an apocalyptic number.

It is an amenable number.

1442023141 is a deficient number, since it is larger than the sum of its proper divisors (113290619).

1442023141 is a wasteful number, since it uses less digits than its factorization.

1442023141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168995.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1442023141 is about 37973.9797887975. The cubic root of 1442023141 is about 1129.7718340067.

Adding to 1442023141 its reverse (1413202441), we get a palindrome (2855225582).

The spelling of 1442023141 in words is "one billion, four hundred forty-two million, twenty-three thousand, one hundred forty-one".