1442737641 has 8 divisors (see below), whose sum is σ = 1924261024. Its totient is φ = 961519680.

The previous prime is 1442737627. The next prime is 1442737649. The reversal of 1442737641 is 1467372441.

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

It is not a de Polignac number, because 1442737641 - 2⁹ = 1442737129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442737641.

It is not an unprimeable number, because it can be changed into a prime (1442737649) 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, 65095 + ... + 84396.

It is an arithmetic number, because the mean of its divisors is an integer number (240532628).

Almost surely, 2^1442737641 is an apocalyptic number.

It is an amenable number.

1442737641 is a deficient number, since it is larger than the sum of its proper divisors (481523383).

1442737641 is a wasteful number, since it uses less digits than its factorization.

1442737641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152711.

The product of its digits is 112896, while the sum is 39.

The square root of 1442737641 is about 37983.3863814168. The cubic root of 1442737641 is about 1129.9583979776.

The spelling of 1442737641 in words is "one billion, four hundred forty-two million, seven hundred thirty-seven thousand, six hundred forty-one".