142071000 has 256 divisors, whose sum is σ = 485222400. Its totient is φ = 34496000.

The previous prime is 142070987. The next prime is 142071001. The reversal of 142071000 is 170241.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142071001) 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, 2000965 + ... + 2001035.

It is an arithmetic number, because the mean of its divisors is an integer number (1895400).

Almost surely, 2^142071000 is an apocalyptic number.

142071000 is a gapful number since it is divisible by the number (10) 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 142071000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242611200).

142071000 is an abundant number, since it is smaller than the sum of its proper divisors (343151400).

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

142071000 is a wasteful number, since it uses less digits than its factorization.

142071000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 142071000 is about 11919.3540093413. The cubic root of 142071000 is about 521.7972818638.

The spelling of 142071000 in words is "one hundred forty-two million, seventy-one thousand".