1445140233 has 24 divisors (see below), whose sum is σ = 2223812448. Its totient is φ = 901176192.

The previous prime is 1445140231. The next prime is 1445140273. The reversal of 1445140233 is 3320415441.

It is a happy number.

1445140233 is a `hidden beast` number, since 144 + 514 + 0 + 2 + 3 + 3 = 666.

It is not a de Polignac number, because 1445140233 - 2¹ = 1445140231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1445140197 and 1445140206.

It is not an unprimeable number, because it can be changed into a prime (1445140231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4035 + ... + 53912.

It is an arithmetic number, because the mean of its divisors is an integer number (92658852).

Almost surely, 2^1445140233 is an apocalyptic number.

It is an amenable number.

1445140233 is a deficient number, since it is larger than the sum of its proper divisors (778672215).

1445140233 is a wasteful number, since it uses less digits than its factorization.

1445140233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58133 (or 58130 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1445140233 is about 38015.0001052216. Note that the first 3 decimals coincide. The cubic root of 1445140233 is about 1130.5852902877.

Adding to 1445140233 its reverse (3320415441), we get a palindrome (4765555674).

The spelling of 1445140233 in words is "one billion, four hundred forty-five million, one hundred forty thousand, two hundred thirty-three".