142003534455120 has 480 divisors, whose sum is σ = 521664737569920. Its totient is φ = 31675204915200.

The previous prime is 142003534455043. The next prime is 142003534455127. The reversal of 142003534455120 is 21554435300241.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142003534455127) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29094970 + ... + 33623270.

It is an arithmetic number, because the mean of its divisors is an integer number (1086801536604).

Almost surely, 2^{142003534455120} is an apocalyptic number.

142003534455120 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 142003534455120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260832368784960).

142003534455120 is an abundant number, since it is smaller than the sum of its proper divisors (379661203114800).

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

142003534455120 is a wasteful number, since it uses less digits than its factorization.

142003534455120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528395 (or 4528366 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 142003534455120 its reverse (21554435300241), we get a palindrome (163557969755361).

The spelling of 142003534455120 in words is "one hundred forty-two trillion, three billion, five hundred thirty-four million, four hundred fifty-five thousand, one hundred twenty".