142504251102 has 160 divisors (see below), whose sum is σ = 347872982688. Its totient is φ = 43419193344.

The previous prime is 142504251061. The next prime is 142504251103. The reversal of 142504251102 is 201152405241.

It is a happy number.

142504251102 is a `hidden beast` number, since 1 + 4 + 2 + 504 + 2 + 51 + 102 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142504251103) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 80192838 + ... + 80194614.

Almost surely, 2^142504251102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142504251102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173936491344).

142504251102 is an abundant number, since it is smaller than the sum of its proper divisors (205368731586).

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

142504251102 is a wasteful number, since it uses less digits than its factorization.

142504251102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632 (or 2623 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 142504251102 its reverse (201152405241), we get a palindrome (343656656343).

The spelling of 142504251102 in words is "one hundred forty-two billion, five hundred four million, two hundred fifty-one thousand, one hundred two".