1445165412 has 24 divisors (see below), whose sum is σ = 3379888512. Its totient is φ = 480602400.

The previous prime is 1445165387. The next prime is 1445165429. The reversal of 1445165412 is 2145615441.

It is a super-2 number, since 2×1445165412² = 4177006136082259488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134539 + ... + 144882.

It is an arithmetic number, because the mean of its divisors is an integer number (140828688).

Almost surely, 2^1445165412 is an apocalyptic number.

1445165412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1445165412 is an abundant number, since it is smaller than the sum of its proper divisors (1934723100).

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

1445165412 is a wasteful number, since it uses less digits than its factorization.

1445165412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279859 (or 279857 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 1445165412 is about 38015.3312756840. The cubic root of 1445165412 is about 1130.5918563960.

The spelling of 1445165412 in words is "one billion, four hundred forty-five million, one hundred sixty-five thousand, four hundred twelve".