1445618241 has 24 divisors (see below), whose sum is σ = 2180857536. Its totient is φ = 921016800.

The previous prime is 1445618227. The next prime is 1445618243. The reversal of 1445618241 is 1428165441.

1445618241 is a `hidden beast` number, since 14 + 4 + 5 + 618 + 24 + 1 = 666.

It is not a de Polignac number, because 1445618241 - 2⁷ = 1445618113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1445618196 and 1445618205.

It is not an unprimeable number, because it can be changed into a prime (1445618243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297951 + ... + 302763.

It is an arithmetic number, because the mean of its divisors is an integer number (90869064).

Almost surely, 2^1445618241 is an apocalyptic number.

It is an amenable number.

1445618241 is a deficient number, since it is larger than the sum of its proper divisors (735239295).

1445618241 is a wasteful number, since it uses less digits than its factorization.

1445618241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6293 (or 6290 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 1445618241 is about 38021.2866825940. The cubic root of 1445618241 is about 1130.7099308419.

The spelling of 1445618241 in words is "one billion, four hundred forty-five million, six hundred eighteen thousand, two hundred forty-one".