33240540145 has 16 divisors (see below), whose sum is σ = 41295409920. Its totient is φ = 25670093184.

The previous prime is 33240540143. The next prime is 33240540161. The reversal of 33240540145 is 54104504233.

It is a cyclic number.

It is not a de Polignac number, because 33240540145 - 2¹ = 33240540143 is a prime.

It is a super-2 number, since 2×33240540145² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33240540143) 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, 951675 + ... + 985984.

It is an arithmetic number, because the mean of its divisors is an integer number (2580963120).

Almost surely, 2^33240540145 is an apocalyptic number.

It is an amenable number.

33240540145 is a deficient number, since it is larger than the sum of its proper divisors (8054869775).

33240540145 is a wasteful number, since it uses less digits than its factorization.

33240540145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937784.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 33240540145 in words is "thirty-three billion, two hundred forty million, five hundred forty thousand, one hundred forty-five".