33425142 has 32 divisors (see below), whose sum is σ = 71089920. Its totient is φ = 10447200.

The previous prime is 33425083. The next prime is 33425149. The reversal of 33425142 is 24152433.

It is a super-2 number, since 2×33425142² = 2234480235440328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33425149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10063 + ... + 12965.

It is an arithmetic number, because the mean of its divisors is an integer number (2221560).

Almost surely, 2^33425142 is an apocalyptic number.

33425142 is an abundant number, since it is smaller than the sum of its proper divisors (37664778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33425142 is a wasteful number, since it uses less digits than its factorization.

33425142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028.

The product of its digits is 2880, while the sum is 24.

The square root of 33425142 is about 5781.4480884982. The cubic root of 33425142 is about 322.1249916616.

Adding to 33425142 its reverse (24152433), we get a palindrome (57577575).

The spelling of 33425142 in words is "thirty-three million, four hundred twenty-five thousand, one hundred forty-two".