142490236722 has 16 divisors (see below), whose sum is σ = 289810651680. Its totient is φ = 46691715872.

The previous prime is 142490236703. The next prime is 142490236729. The reversal of 142490236722 is 227632094241.

It is a super-2 number, since 2×142490236722² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142490236729) 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 7 ways as a sum of consecutive naturals, for example, 201257043 + ... + 201257750.

It is an arithmetic number, because the mean of its divisors is an integer number (18113165730).

Almost surely, 2^142490236722 is an apocalyptic number.

142490236722 is an abundant number, since it is smaller than the sum of its proper divisors (147320414958).

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

142490236722 is a wasteful number, since it uses less digits than its factorization.

142490236722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402514857.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 142490236722 in words is "one hundred forty-two billion, four hundred ninety million, two hundred thirty-six thousand, seven hundred twenty-two".