33145231254 has 16 divisors (see below), whose sum is σ = 66292944048. Its totient is φ = 11047996832.

The previous prime is 33145231243. The next prime is 33145231291. The reversal of 33145231254 is 45213254133.

It is a super-2 number, since 2×33145231254² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101464 + ... + 276740.

It is an arithmetic number, because the mean of its divisors is an integer number (4143309003).

Almost surely, 2^33145231254 is an apocalyptic number.

33145231254 is an abundant number, since it is smaller than the sum of its proper divisors (33147712794).

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

33145231254 is a wasteful number, since it uses less digits than its factorization.

33145231254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206799.

The product of its digits is 43200, while the sum is 33.

Adding to 33145231254 its reverse (45213254133), we get a palindrome (78358485387).

The spelling of 33145231254 in words is "thirty-three billion, one hundred forty-five million, two hundred thirty-one thousand, two hundred fifty-four".