1445540133 has 8 divisors (see below), whose sum is σ = 2011186368. Its totient is φ = 921793664.

The previous prime is 1445540101. The next prime is 1445540207. The reversal of 1445540133 is 3310455441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1445540133 - 2⁵ = 1445540101 is a prime.

It is a super-2 number, since 2×1445540133² = 4179172552227315378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1445540133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445545133) 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 7 ways as a sum of consecutive naturals, for example, 10474860 + ... + 10474997.

It is an arithmetic number, because the mean of its divisors is an integer number (251398296).

Almost surely, 2^1445540133 is an apocalyptic number.

It is an amenable number.

1445540133 is a deficient number, since it is larger than the sum of its proper divisors (565646235).

1445540133 is a wasteful number, since it uses less digits than its factorization.

1445540133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20949883.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1445540133 is about 38020.2595072680. The cubic root of 1445540133 is about 1130.6895660643.

Adding to 1445540133 its reverse (3310455441), we get a palindrome (4755995574).

The spelling of 1445540133 in words is "one billion, four hundred forty-five million, five hundred forty thousand, one hundred thirty-three".