1445042142 has 12 divisors (see below), whose sum is σ = 3130924680. Its totient is φ = 481680708.

The previous prime is 1445042129. The next prime is 1445042257. The reversal of 1445042142 is 2412405441.

1445042142 is a `hidden beast` number, since 1 + 445 + 0 + 4 + 214 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40140042 + ... + 40140077.

It is an arithmetic number, because the mean of its divisors is an integer number (260910390).

Almost surely, 2^1445042142 is an apocalyptic number.

1445042142 is an abundant number, since it is smaller than the sum of its proper divisors (1685882538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1445042142 is a wasteful number, since it uses less digits than its factorization.

1445042142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80280127 (or 80280124 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 1445042142 is about 38013.7099215533. The cubic root of 1445042142 is about 1130.5597096673.

Adding to 1445042142 its reverse (2412405441), we get a palindrome (3857447583).

The spelling of 1445042142 in words is "one billion, four hundred forty-five million, forty-two thousand, one hundred forty-two".