133550045 has 32 divisors (see below), whose sum is σ = 176774400. Its totient is φ = 96445440.

The previous prime is 133550023. The next prime is 133550047. The reversal of 133550045 is 540055331.

It is not a de Polignac number, because 133550045 - 2⁸ = 133549789 is a prime.

It is a super-2 number, since 2×133550045² = 35671229039004050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133549996 and 133550023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133550047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222656 + ... + 223254.

It is an arithmetic number, because the mean of its divisors is an integer number (5524200).

Almost surely, 2^133550045 is an apocalyptic number.

It is an amenable number.

133550045 is a deficient number, since it is larger than the sum of its proper divisors (43224355).

133550045 is a wasteful number, since it uses less digits than its factorization.

133550045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 133550045 is about 11556.3854643223. The cubic root of 133550045 is about 511.1495854343.

The spelling of 133550045 in words is "one hundred thirty-three million, five hundred fifty thousand, forty-five".