1445871746 has 16 divisors (see below), whose sum is σ = 2395923840. Its totient is φ = 648894480.

The previous prime is 1445871727. The next prime is 1445871769. The reversal of 1445871746 is 6471785441.

It is a self number, because there is not a number n which added to its sum of digits gives 1445871746.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414221 + ... + 417696.

It is an arithmetic number, because the mean of its divisors is an integer number (149745240).

Almost surely, 2^1445871746 is an apocalyptic number.

1445871746 is a deficient number, since it is larger than the sum of its proper divisors (950052094).

1445871746 is a wasteful number, since it uses less digits than its factorization.

1445871746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832009.

The product of its digits is 752640, while the sum is 47.

The square root of 1445871746 is about 38024.6202610887. The cubic root of 1445871746 is about 1130.7760211045.

The spelling of 1445871746 in words is "one billion, four hundred forty-five million, eight hundred seventy-one thousand, seven hundred forty-six".