1442201457 has 8 divisors (see below), whose sum is σ = 1923120640. Its totient is φ = 961374960.

The previous prime is 1442201447. The next prime is 1442201473. The reversal of 1442201457 is 7541022441.

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

It is not a de Polignac number, because 1442201457 - 2⁶ = 1442201393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442201447) 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, 31707 + ... + 62367.

It is an arithmetic number, because the mean of its divisors is an integer number (240390080).

Almost surely, 2^1442201457 is an apocalyptic number.

It is an amenable number.

1442201457 is a deficient number, since it is larger than the sum of its proper divisors (480919183).

1442201457 is a wasteful number, since it uses less digits than its factorization.

1442201457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46343.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 1442201457 is about 37976.3275870640. The cubic root of 1442201457 is about 1129.8184000858.

Adding to 1442201457 its reverse (7541022441), we get a palindrome (8983223898).

The spelling of 1442201457 in words is "one billion, four hundred forty-two million, two hundred one thousand, four hundred fifty-seven".