1442350642 has 4 divisors (see below), whose sum is σ = 2163525966. Its totient is φ = 721175320.

The previous prime is 1442350633. The next prime is 1442350697. The reversal of 1442350642 is 2460532441.

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

It can be written as a sum of positive squares in only one way, i.e., 1394200921 + 48149721 = 37339^2 + 6939^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360587659 + ... + 360587662.

Almost surely, 2^1442350642 is an apocalyptic number.

1442350642 is a deficient number, since it is larger than the sum of its proper divisors (721175324).

1442350642 is an equidigital number, since it uses as much as digits as its factorization.

1442350642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721175323.

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

The square root of 1442350642 is about 37978.2917204026. The cubic root of 1442350642 is about 1129.8573558424.

The spelling of 1442350642 in words is "one billion, four hundred forty-two million, three hundred fifty thousand, six hundred forty-two".