133342445 has 8 divisors (see below), whose sum is σ = 160124640. Its totient is φ = 106598160.

The previous prime is 133342427. The next prime is 133342453. The reversal of 133342445 is 544243331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133342445 - 2²² = 129148141 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 7 ways as a sum of consecutive naturals, for example, 1055 + ... + 16364.

It is an arithmetic number, because the mean of its divisors is an integer number (20015580).

Almost surely, 2^133342445 is an apocalyptic number.

It is an amenable number.

133342445 is a deficient number, since it is larger than the sum of its proper divisors (26782195).

133342445 is a wasteful number, since it uses less digits than its factorization.

133342445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18955.

The product of its digits is 17280, while the sum is 29.

The square root of 133342445 is about 11547.3999237924. The cubic root of 133342445 is about 510.8845919241.

Adding to 133342445 its reverse (544243331), we get a palindrome (677585776).

The spelling of 133342445 in words is "one hundred thirty-three million, three hundred forty-two thousand, four hundred forty-five".