142575531720 has 128 divisors (see below), whose sum is σ = 440094695040. Its totient is φ = 36930539520.

The previous prime is 142575531719. The next prime is 142575531727. The reversal of 142575531720 is 27135575241.

It is a happy number.

It is a super-3 number, since 3×142575531720³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (142575531727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 857632 + ... + 1010288.

It is an arithmetic number, because the mean of its divisors is an integer number (3438239805).

Almost surely, 2^142575531720 is an apocalyptic number.

142575531720 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 142575531720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220047347520).

142575531720 is an abundant number, since it is smaller than the sum of its proper divisors (297519163320).

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

142575531720 is a wasteful number, since it uses less digits than its factorization.

142575531720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152895 (or 152891 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 142575531720 in words is "one hundred forty-two billion, five hundred seventy-five million, five hundred thirty-one thousand, seven hundred twenty".