133465845 has 16 divisors (see below), whose sum is σ = 219317760. Its totient is φ = 69257664.

The previous prime is 133465837. The next prime is 133465877. The reversal of 133465845 is 548564331.

It is not a de Polignac number, because 133465845 - 2³ = 133465837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119685 + ... + 120794.

It is an arithmetic number, because the mean of its divisors is an integer number (13707360).

Almost surely, 2^133465845 is an apocalyptic number.

133465845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133465845 is a deficient number, since it is larger than the sum of its proper divisors (85851915).

133465845 is a wasteful number, since it uses less digits than its factorization.

133465845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240524.

The product of its digits is 172800, while the sum is 39.

The square root of 133465845 is about 11552.7418823412. The cubic root of 133465845 is about 511.0421404605.

It can be divided in two parts, 13346 and 5845, that added together give a palindrome (19191).

The spelling of 133465845 in words is "one hundred thirty-three million, four hundred sixty-five thousand, eight hundred forty-five".