142393355 has 16 divisors (see below), whose sum is σ = 184324224. Its totient is φ = 104976000.

The previous prime is 142393331. The next prime is 142393357. The reversal of 142393355 is 553393241.

It is not a de Polignac number, because 142393355 - 2⁸ = 142393099 is a prime.

It is a super-4 number, since 4×142393355⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142393357) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 47357 + ... + 50273.

It is an arithmetic number, because the mean of its divisors is an integer number (11520264).

Almost surely, 2^142393355 is an apocalyptic number.

142393355 is a deficient number, since it is larger than the sum of its proper divisors (41930869).

142393355 is a wasteful number, since it uses less digits than its factorization.

142393355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686.

The product of its digits is 48600, while the sum is 35.

The square root of 142393355 is about 11932.8686827602. The cubic root of 142393355 is about 522.1916314173.

The spelling of 142393355 in words is "one hundred forty-two million, three hundred ninety-three thousand, three hundred fifty-five".