1445244142 has 8 divisors (see below), whose sum is σ = 2168028432. Its totient is φ = 722568000.

The previous prime is 1445244131. The next prime is 1445244167. The reversal of 1445244142 is 2414425441.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33342 + ... + 63262.

It is an arithmetic number, because the mean of its divisors is an integer number (271003554).

Almost surely, 2^1445244142 is an apocalyptic number.

1445244142 is a deficient number, since it is larger than the sum of its proper divisors (722784290).

1445244142 is a wasteful number, since it uses less digits than its factorization.

1445244142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54074.

The product of its digits is 20480, while the sum is 31.

The square root of 1445244142 is about 38016.3667648554. The cubic root of 1445244142 is about 1130.6123868902.

Adding to 1445244142 its reverse (2414425441), we get a palindrome (3859669583).

The spelling of 1445244142 in words is "one billion, four hundred forty-five million, two hundred forty-four thousand, one hundred forty-two".