133145342 has 8 divisors (see below), whose sum is σ = 217874232. Its totient is φ = 60520600.

The previous prime is 133145323. The next prime is 133145347. The reversal of 133145342 is 243541331.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133145347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3026009 + ... + 3026052.

It is an arithmetic number, because the mean of its divisors is an integer number (27234279).

Almost surely, 2^133145342 is an apocalyptic number.

133145342 is a deficient number, since it is larger than the sum of its proper divisors (84728890).

133145342 is a wasteful number, since it uses less digits than its factorization.

133145342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6052074.

The product of its digits is 4320, while the sum is 26.

The square root of 133145342 is about 11538.8622489395. The cubic root of 133145342 is about 510.6327427792.

Adding to 133145342 its reverse (243541331), we get a palindrome (376686673).

The spelling of 133145342 in words is "one hundred thirty-three million, one hundred forty-five thousand, three hundred forty-two".