142133004 has 36 divisors (see below), whose sum is σ = 386918896. Its totient is φ = 43733088.

The previous prime is 142133003. The next prime is 142133009. The reversal of 142133004 is 400331241.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (142133003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151384 + ... + 152319.

Almost surely, 2^142133004 is an apocalyptic number.

It is an amenable number.

142133004 is an abundant number, since it is smaller than the sum of its proper divisors (244785892).

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

142133004 is a wasteful number, since it uses less digits than its factorization.

142133004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303726 (or 303721 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142133004 is about 11921.9547055003. The cubic root of 142133004 is about 521.8731800957.

Adding to 142133004 its reverse (400331241), we get a palindrome (542464245).

The spelling of 142133004 in words is "one hundred forty-two million, one hundred thirty-three thousand, four".