142403142344 has 32 divisors (see below), whose sum is σ = 282811846680. Its totient is φ = 66989604864.

The previous prime is 142403142319. The next prime is 142403142347. The reversal of 142403142344 is 443241304241.

It can be written as a sum of positive squares in 4 ways, for example, as 138391440100 + 4011702244 = 372010^2 + 63338^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142403142344.

It is not an unprimeable number, because it can be changed into a prime (142403142347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205304 + ... + 571800.

Almost surely, 2^142403142344 is an apocalyptic number.

It is an amenable number.

142403142344 is a deficient number, since it is larger than the sum of its proper divisors (140408704336).

142403142344 is a wasteful number, since it uses less digits than its factorization.

142403142344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369377 (or 369373 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 142403142344 its reverse (443241304241), we get a palindrome (585644446585).

The spelling of 142403142344 in words is "one hundred forty-two billion, four hundred three million, one hundred forty-two thousand, three hundred forty-four".