142326538770 has 256 divisors, whose sum is σ = 391492620288. Its totient is φ = 32860753920.

The previous prime is 142326538621. The next prime is 142326538787. The reversal of 142326538770 is 77835623241.

It is a super-2 number, since 2×142326538770² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 166853664 + ... + 166854516.

It is an arithmetic number, because the mean of its divisors is an integer number (1529268048).

Almost surely, 2^142326538770 is an apocalyptic number.

142326538770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142326538770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195746310144).

142326538770 is an abundant number, since it is smaller than the sum of its proper divisors (249166081518).

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

142326538770 is a wasteful number, since it uses less digits than its factorization.

142326538770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 142326538770 in words is "one hundred forty-two billion, three hundred twenty-six million, five hundred thirty-eight thousand, seven hundred seventy".