142097760 has 384 divisors, whose sum is σ = 588349440. Its totient is φ = 31352832.

The previous prime is 142097737. The next prime is 142097771. The reversal of 142097760 is 67790241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1118817 + ... + 1118943.

It is an arithmetic number, because the mean of its divisors is an integer number (1532160).

Almost surely, 2^142097760 is an apocalyptic number.

142097760 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 142097760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294174720).

142097760 is an abundant number, since it is smaller than the sum of its proper divisors (446251680).

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

142097760 is a wasteful number, since it uses less digits than its factorization.

142097760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 142097760 is about 11920.4765005431. The cubic root of 142097760 is about 521.8300411148.

The spelling of 142097760 in words is "one hundred forty-two million, ninety-seven thousand, seven hundred sixty".