142540253400 has 192 divisors, whose sum is σ = 468798566400. Its totient is φ = 35726261760.

The previous prime is 142540253389. The next prime is 142540253417. The reversal of 142540253400 is 4352045241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1398574 + ... + 1497026.

It is an arithmetic number, because the mean of its divisors is an integer number (2441659200).

Almost surely, 2^142540253400 is an apocalyptic number.

142540253400 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 142540253400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234399283200).

142540253400 is an abundant number, since it is smaller than the sum of its proper divisors (326258313000).

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

142540253400 is a wasteful number, since it uses less digits than its factorization.

142540253400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98618 (or 98609 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 142540253400 its reverse (4352045241), we get a palindrome (146892298641).

The spelling of 142540253400 in words is "one hundred forty-two billion, five hundred forty million, two hundred fifty-three thousand, four hundred".