133455645252 has 48 divisors (see below), whose sum is σ = 350735810880. Its totient is φ = 43875825984.

The previous prime is 133455645221. The next prime is 133455645269. The reversal of 133455645252 is 252546554331.

133455645252 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 556 + 45 + 2 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 133455645198 and 133455645207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8455818 + ... + 8471585.

It is an arithmetic number, because the mean of its divisors is an integer number (7306996060).

Almost surely, 2^133455645252 is an apocalyptic number.

133455645252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133455645252 is an abundant number, since it is smaller than the sum of its proper divisors (217280165628).

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

133455645252 is a wasteful number, since it uses less digits than its factorization.

133455645252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16927489 (or 16927481 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 45.

The spelling of 133455645252 in words is "one hundred thirty-three billion, four hundred fifty-five million, six hundred forty-five thousand, two hundred fifty-two".