142840152 has 256 divisors, whose sum is σ = 502656000. Its totient is φ = 36796032.

The previous prime is 142840151. The next prime is 142840177. The reversal of 142840152 is 251048241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142840151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3321843 + ... + 3321885.

It is an arithmetic number, because the mean of its divisors is an integer number (1963500).

Almost surely, 2^142840152 is an apocalyptic number.

142840152 is a gapful number since it is divisible by the number (12) 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 142840152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251328000).

142840152 is an abundant number, since it is smaller than the sum of its proper divisors (359815848).

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

142840152 is a wasteful number, since it uses less digits than its factorization.

142840152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 142840152 is about 11951.5752936590. The cubic root of 142840152 is about 522.7372328395.

Adding to 142840152 its reverse (251048241), we get a palindrome (393888393).

The spelling of 142840152 in words is "one hundred forty-two million, eight hundred forty thousand, one hundred fifty-two".