133452505144 has 32 divisors (see below), whose sum is σ = 286793815680. Its totient is φ = 57029098464.

The previous prime is 133452505127. The next prime is 133452505183. The reversal of 133452505144 is 441505254331.

133452505144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×133452505144² (a number of 23 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, 3414402 + ... + 3453265.

It is an arithmetic number, because the mean of its divisors is an integer number (8962306740).

Almost surely, 2^133452505144 is an apocalyptic number.

133452505144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

133452505144 is an abundant number, since it is smaller than the sum of its proper divisors (153341310536).

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

133452505144 is a wasteful number, since it uses less digits than its factorization.

133452505144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6868027 (or 6868023 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 133452505144 its reverse (441505254331), we get a palindrome (574957759475).

The spelling of 133452505144 in words is "one hundred thirty-three billion, four hundred fifty-two million, five hundred five thousand, one hundred forty-four".