1445211315 has 20 divisors (see below), whose sum is σ = 2590675824. Its totient is φ = 770779152.

The previous prime is 1445211283. The next prime is 1445211331. The reversal of 1445211315 is 5131125441.

1445211315 is a `hidden beast` number, since 1 + 4 + 4 + 521 + 131 + 5 = 666.

It is not a de Polignac number, because 1445211315 - 2⁵ = 1445211283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1783807 + ... + 1784616.

Almost surely, 2^1445211315 is an apocalyptic number.

1445211315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1445211315 is a deficient number, since it is larger than the sum of its proper divisors (1145464509).

1445211315 is an equidigital number, since it uses as much as digits as its factorization.

1445211315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568440 (or 3568431 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 1445211315 is about 38015.9350141490. The cubic root of 1445211315 is about 1130.6038266540.

Adding to 1445211315 its reverse (5131125441), we get a palindrome (6576336756).

The spelling of 1445211315 in words is "one billion, four hundred forty-five million, two hundred eleven thousand, three hundred fifteen".