142095520 has 144 divisors (see below), whose sum is σ = 408481920. Its totient is φ = 45748224.

The previous prime is 142095517. The next prime is 142095529. The reversal of 142095520 is 25590241.

It is a super-2 number, since 2×142095520² = 40382273608140800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (142095529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323461 + ... + 323899.

It is an arithmetic number, because the mean of its divisors is an integer number (2836680).

Almost surely, 2^142095520 is an apocalyptic number.

142095520 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 142095520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204240960).

142095520 is an abundant number, since it is smaller than the sum of its proper divisors (266386400).

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

142095520 is a wasteful number, since it uses less digits than its factorization.

142095520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 142095520 is about 11920.3825441971. The cubic root of 142095520 is about 521.8272990931.

The spelling of 142095520 in words is "one hundred forty-two million, ninety-five thousand, five hundred twenty".