145142142156 has 216 divisors, whose sum is σ = 427830399360. Its totient is φ = 41314268160.

The previous prime is 145142142107. The next prime is 145142142181. The reversal of 145142142156 is 651241241541.

145142142156 is a `hidden beast` number, since 1 + 45 + 1 + 421 + 42 + 156 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 145142142156.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 44947950 + ... + 44951178.

Almost surely, 2^145142142156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145142142156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213915199680).

145142142156 is an abundant number, since it is smaller than the sum of its proper divisors (282688257204).

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

145142142156 is a wasteful number, since it uses less digits than its factorization.

145142142156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885 (or 3869 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

Adding to 145142142156 its reverse (651241241541), we get a palindrome (796383383697).

The spelling of 145142142156 in words is "one hundred forty-five billion, one hundred forty-two million, one hundred forty-two thousand, one hundred fifty-six".