33100145140 has 24 divisors (see below), whose sum is σ = 69523364232. Its totient is φ = 13237570560.

The previous prime is 33100145101. The next prime is 33100145153. The reversal of 33100145140 is 4154100133.

It can be written as a sum of positive squares in 4 ways, for example, as 1571171044 + 31528974096 = 39638^2 + 177564^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44421 + ... + 261100.

It is an arithmetic number, because the mean of its divisors is an integer number (2896806843).

Almost surely, 2^33100145140 is an apocalyptic number.

It is an amenable number.

33100145140 is an abundant number, since it is smaller than the sum of its proper divisors (36423219092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33100145140 is a wasteful number, since it uses less digits than its factorization.

33100145140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310947 (or 310945 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 33100145140 its reverse (4154100133), we get a palindrome (37254245273).

The spelling of 33100145140 in words is "thirty-three billion, one hundred million, one hundred forty-five thousand, one hundred forty".