1445346142 has 4 divisors (see below), whose sum is σ = 2168019216. Its totient is φ = 722673070.

The previous prime is 1445346121. The next prime is 1445346173. The reversal of 1445346142 is 2416435441.

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

It is a junction number, because it is equal to n+sod(n) for n = 1445346098 and 1445346107.

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 as a sum of consecutive naturals, namely, 361336534 + ... + 361336537.

It is an arithmetic number, because the mean of its divisors is an integer number (542004804).

Almost surely, 2^1445346142 is an apocalyptic number.

1445346142 is a deficient number, since it is larger than the sum of its proper divisors (722673074).

1445346142 is an equidigital number, since it uses as much as digits as its factorization.

1445346142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722673073.

The product of its digits is 46080, while the sum is 34.

The square root of 1445346142 is about 38017.7082686477. The cubic root of 1445346142 is about 1130.6389844150.

The spelling of 1445346142 in words is "one billion, four hundred forty-five million, three hundred forty-six thousand, one hundred forty-two".