1445856970 has 32 divisors (see below), whose sum is σ = 2758501008. Its totient is φ = 543756288.

The previous prime is 1445856967. The next prime is 1445857001. The reversal of 1445856970 is 796585441.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1159198209 + 286658761 = 34047^2 + 16931^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182614 + ... + 190366.

Almost surely, 2^1445856970 is an apocalyptic number.

1445856970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445856970 is a deficient number, since it is larger than the sum of its proper divisors (1312644038).

1445856970 is a wasteful number, since it uses less digits than its factorization.

1445856970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8874.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 1445856970 is about 38024.4259654239. The cubic root of 1445856970 is about 1130.7721691254.

The spelling of 1445856970 in words is "one billion, four hundred forty-five million, eight hundred fifty-six thousand, nine hundred seventy".