1445252265 has 96 divisors (see below), whose sum is σ = 2729376000. Its totient is φ = 705255936.

The previous prime is 1445252261. The next prime is 1445252267. The reversal of 1445252265 is 5622525441.

1445252265 is a `hidden beast` number, since 144 + 5 + 252 + 265 = 666.

It is not a de Polignac number, because 1445252265 - 2² = 1445252261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1445252261) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5372551 + ... + 5372819.

It is an arithmetic number, because the mean of its divisors is an integer number (28431000).

Almost surely, 2^1445252265 is an apocalyptic number.

1445252265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1445252265 is a deficient number, since it is larger than the sum of its proper divisors (1284123735).

1445252265 is a wasteful number, since it uses less digits than its factorization.

1445252265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 508 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 1445252265 is about 38016.4736002697. The cubic root of 1445252265 is about 1130.6145050899.

The spelling of 1445252265 in words is "one billion, four hundred forty-five million, two hundred fifty-two thousand, two hundred sixty-five".