1445315226 has 24 divisors (see below), whose sum is σ = 2959440480. Its totient is φ = 470564136.

The previous prime is 1445315219. The next prime is 1445315279. The reversal of 1445315226 is 6225135441.

It is a super-2 number, since 2×1445315226² = 4177872205014862152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54046 + ... + 76233.

It is an arithmetic number, because the mean of its divisors is an integer number (123310020).

Almost surely, 2^1445315226 is an apocalyptic number.

1445315226 is an abundant number, since it is smaller than the sum of its proper divisors (1514125254).

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

1445315226 is a wasteful number, since it uses less digits than its factorization.

1445315226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130370 (or 130327 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 1445315226 is about 38017.3016664781. The cubic root of 1445315226 is about 1130.6309228895.

The spelling of 1445315226 in words is "one billion, four hundred forty-five million, three hundred fifteen thousand, two hundred twenty-six".