1445272011 has 32 divisors (see below), whose sum is σ = 2195424000. Its totient is φ = 939181824.

The previous prime is 1445272007. The next prime is 1445272027. The reversal of 1445272011 is 1102725441.

1445272011 is a `hidden beast` number, since 1 + 4 + 452 + 7 + 201 + 1 = 666.

It is not a de Polignac number, because 1445272011 - 2² = 1445272007 is a prime.

It is a super-2 number, since 2×1445272011² = 4177622371559968242, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1445272061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 764155 + ... + 766043.

It is an arithmetic number, because the mean of its divisors is an integer number (68607000).

Almost surely, 2^1445272011 is an apocalyptic number.

1445272011 is a deficient number, since it is larger than the sum of its proper divisors (750151989).

1445272011 is a wasteful number, since it uses less digits than its factorization.

1445272011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600 (or 2594 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1445272011 is about 38016.7333025866. The cubic root of 1445272011 is about 1130.6196541362.

Adding to 1445272011 its reverse (1102725441), we get a palindrome (2547997452).

The spelling of 1445272011 in words is "one billion, four hundred forty-five million, two hundred seventy-two thousand, eleven".