133245240145 has 16 divisors (see below), whose sum is σ = 163678787712. Its totient is φ = 104075193600.

The previous prime is 133245240097. The next prime is 133245240169. The reversal of 133245240145 is 541042542331.

It is not a de Polignac number, because 133245240145 - 2²⁷ = 133111022417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133245240145.

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, 414345 + ... + 661945.

It is an arithmetic number, because the mean of its divisors is an integer number (10229924232).

Almost surely, 2^133245240145 is an apocalyptic number.

It is an amenable number.

133245240145 is a deficient number, since it is larger than the sum of its proper divisors (30433547567).

133245240145 is a wasteful number, since it uses less digits than its factorization.

133245240145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250152.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 133245240145 its reverse (541042542331), we get a palindrome (674287782476).

The spelling of 133245240145 in words is "one hundred thirty-three billion, two hundred forty-five million, two hundred forty thousand, one hundred forty-five".