142273536 has 88 divisors (see below), whose sum is σ = 392532720. Its totient is φ = 45760512.

The previous prime is 142273529. The next prime is 142273543. The reversal of 142273536 is 635372241.

It is an interprime number because it is at equal distance from previous prime (142273529) and next prime (142273543).

It is a junction number, because it is equal to n+sod(n) for n = 142273497 and 142273506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88290 + ... + 89886.

Almost surely, 2^142273536 is an apocalyptic number.

142273536 is a gapful number since it is divisible by the number (16) 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 142273536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196266360).

142273536 is an abundant number, since it is smaller than the sum of its proper divisors (250259184).

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

142273536 is a wasteful number, since it uses less digits than its factorization.

142273536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649 (or 1631 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 142273536 is about 11927.8470815148. The cubic root of 142273536 is about 522.0451216849.

The spelling of 142273536 in words is "one hundred forty-two million, two hundred seventy-three thousand, five hundred thirty-six".