142244535240 has 64 divisors (see below), whose sum is σ = 474148454400. Its totient is φ = 37931875776.

The previous prime is 142244535239. The next prime is 142244535241. The reversal of 142244535240 is 42535442241.

142244535240 is a `hidden beast` number, since 1 + 4 + 224 + 45 + 352 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (142244535239) and next prime (142244535241).

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

It is a junction number, because it is equal to n+sod(n) for n = 142244535195 and 142244535204.

It is not an unprimeable number, because it can be changed into a prime (142244535241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65852872 + ... + 65855031.

It is an arithmetic number, because the mean of its divisors is an integer number (7408569600).

Almost surely, 2^142244535240 is an apocalyptic number.

142244535240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142244535240 is an abundant number, since it is smaller than the sum of its proper divisors (331903919160).

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

142244535240 is a wasteful number, since it uses less digits than its factorization.

142244535240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131707923 (or 131707913 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 142244535240 its reverse (42535442241), we get a palindrome (184779977481).

The spelling of 142244535240 in words is "one hundred forty-two billion, two hundred forty-four million, five hundred thirty-five thousand, two hundred forty".