142144335 has 64 divisors (see below), whose sum is σ = 263733120. Its totient is φ = 72576000.

The previous prime is 142144333. The next prime is 142144337. The reversal of 142144335 is 533441241.

It is a happy number.

142144335 is a `hidden beast` number, since 14 + 214 + 433 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (142144333) and next prime (142144337).

It is not a de Polignac number, because 142144335 - 2¹ = 142144333 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 142144299 and 142144308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142144333) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 337425 + ... + 337845.

It is an arithmetic number, because the mean of its divisors is an integer number (4120830).

Almost surely, 2^142144335 is an apocalyptic number.

142144335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142144335 is a deficient number, since it is larger than the sum of its proper divisors (121588785).

142144335 is a wasteful number, since it uses less digits than its factorization.

142144335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 531 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 142144335 is about 11922.4299117252. The cubic root of 142144335 is about 521.8870478292.

Adding to 142144335 its reverse (533441241), we get a palindrome (675585576).

The spelling of 142144335 in words is "one hundred forty-two million, one hundred forty-four thousand, three hundred thirty-five".