142621052502 has 32 divisors (see below), whose sum is σ = 285570996480. Its totient is φ = 47485573920.

The previous prime is 142621052489. The next prime is 142621052551. The reversal of 142621052502 is 205250126241.

It is a super-3 number, since 3×142621052502³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142621052502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27535749 + ... + 27540927.

It is an arithmetic number, because the mean of its divisors is an integer number (8924093640).

Almost surely, 2^142621052502 is an apocalyptic number.

142621052502 is an abundant number, since it is smaller than the sum of its proper divisors (142949943978).

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

142621052502 is a wasteful number, since it uses less digits than its factorization.

142621052502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9588.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 142621052502 its reverse (205250126241), we get a palindrome (347871178743).

The spelling of 142621052502 in words is "one hundred forty-two billion, six hundred twenty-one million, fifty-two thousand, five hundred two".