1445646046 has 64 divisors (see below), whose sum is σ = 2514758400. Its totient is φ = 617760000.

The previous prime is 1445646029. The next prime is 1445646049. The reversal of 1445646046 is 6406465441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445646049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5759421 + ... + 5759671.

It is an arithmetic number, because the mean of its divisors is an integer number (39293100).

Almost surely, 2^1445646046 is an apocalyptic number.

1445646046 is a deficient number, since it is larger than the sum of its proper divisors (1069112354).

1445646046 is a wasteful number, since it uses less digits than its factorization.

1445646046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505.

The product of its (nonzero) digits is 276480, while the sum is 40.

The square root of 1445646046 is about 38021.6523312704. The cubic root of 1445646046 is about 1130.7171801482.

The spelling of 1445646046 in words is "one billion, four hundred forty-five million, six hundred forty-six thousand, forty-six".