1445630478 has 32 divisors (see below), whose sum is σ = 2972954016. Its totient is φ = 468292608.

The previous prime is 1445630443. The next prime is 1445630573. The reversal of 1445630478 is 8740365441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208150 + ... + 214982.

It is an arithmetic number, because the mean of its divisors is an integer number (92904813).

Almost surely, 2^1445630478 is an apocalyptic number.

1445630478 is an abundant number, since it is smaller than the sum of its proper divisors (1527323538).

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

1445630478 is a wasteful number, since it uses less digits than its factorization.

1445630478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7828.

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 1445630478 is about 38021.4476052662. The cubic root of 1445630478 is about 1130.7131212781.

The spelling of 1445630478 in words is "one billion, four hundred forty-five million, six hundred thirty thousand, four hundred seventy-eight".