142034004 has 144 divisors (see below), whose sum is σ = 429287040. Its totient is φ = 38753280.

The previous prime is 142034003. The next prime is 142034029. The reversal of 142034004 is 400430241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142034003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 609472 + ... + 609704.

It is an arithmetic number, because the mean of its divisors is an integer number (2981160).

Almost surely, 2^142034004 is an apocalyptic number.

142034004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142034004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214643520).

142034004 is an abundant number, since it is smaller than the sum of its proper divisors (287253036).

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

142034004 is a wasteful number, since it uses less digits than its factorization.

142034004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 142034004 is about 11917.8019785529. The cubic root of 142034004 is about 521.7519850565.

Adding to 142034004 its reverse (400430241), we get a palindrome (542464245).

The spelling of 142034004 in words is "one hundred forty-two million, thirty-four thousand, four".