1445985033 has 16 divisors (see below), whose sum is σ = 1970251776. Its totient is φ = 942880400.

The previous prime is 1445985029. The next prime is 1445985059. The reversal of 1445985033 is 3305895441.

It is a cyclic number.

It is not a de Polignac number, because 1445985033 - 2² = 1445985029 is a prime.

It is a super-2 number, since 2×1445985033² = 4181745431320022178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1445985083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373558 + ... + 377408.

It is an arithmetic number, because the mean of its divisors is an integer number (123140736).

Almost surely, 2^1445985033 is an apocalyptic number.

It is an amenable number.

1445985033 is a deficient number, since it is larger than the sum of its proper divisors (524266743).

1445985033 is a wasteful number, since it uses less digits than its factorization.

1445985033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6564.

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 1445985033 is about 38026.1098851828. The cubic root of 1445985033 is about 1130.8055532023.

The spelling of 1445985033 in words is "one billion, four hundred forty-five million, nine hundred eighty-five thousand, thirty-three".