142144704 has 168 divisors, whose sum is σ = 450445632. Its totient is φ = 42577920.

The previous prime is 142144697. The next prime is 142144741. The reversal of 142144704 is 407441241.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306777 + ... + 307239.

It is an arithmetic number, because the mean of its divisors is an integer number (2681224).

Almost surely, 2^142144704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142144704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225222816).

142144704 is an abundant number, since it is smaller than the sum of its proper divisors (308300928).

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

142144704 is a wasteful number, since it uses less digits than its factorization.

142144704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 142144704 is about 11922.4453867485. The cubic root of 142144704 is about 521.8874994269.

Adding to 142144704 its reverse (407441241), we get a palindrome (549585945).

The spelling of 142144704 in words is "one hundred forty-two million, one hundred forty-four thousand, seven hundred four".