142864365 has 16 divisors (see below), whose sum is σ = 261237888. Its totient is φ = 65309376.

The previous prime is 142864327. The next prime is 142864369. The reversal of 142864365 is 563468241.

It is not a de Polignac number, because 142864365 - 2¹² = 142860269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142864369) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 680202 + ... + 680411.

It is an arithmetic number, because the mean of its divisors is an integer number (16327368).

Almost surely, 2^142864365 is an apocalyptic number.

142864365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142864365 is a deficient number, since it is larger than the sum of its proper divisors (118373523).

142864365 is a wasteful number, since it uses less digits than its factorization.

142864365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360628.

The product of its digits is 138240, while the sum is 39.

The square root of 142864365 is about 11952.5882134373. The cubic root of 142864365 is about 522.7667677691.

The spelling of 142864365 in words is "one hundred forty-two million, eight hundred sixty-four thousand, three hundred sixty-five".