142200455 has 16 divisors (see below), whose sum is σ = 174417408. Its totient is φ = 111264000.

The previous prime is 142200451. The next prime is 142200481. The reversal of 142200455 is 554002241.

It is a happy number.

It is not a de Polignac number, because 142200455 - 2² = 142200451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142200455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142200451) 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, 57035 + ... + 59475.

It is an arithmetic number, because the mean of its divisors is an integer number (10901088).

Almost surely, 2^142200455 is an apocalyptic number.

142200455 is a deficient number, since it is larger than the sum of its proper divisors (32216953).

142200455 is a wasteful number, since it uses less digits than its factorization.

142200455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 142200455 is about 11924.7832265413. The cubic root of 142200455 is about 521.9557208616.

Adding to 142200455 its reverse (554002241), we get a palindrome (696202696).

It can be divided in two parts, 142200 and 455, that multiplied together give a triangular number (64701000 = T₁₁₃₇₅).

The spelling of 142200455 in words is "one hundred forty-two million, two hundred thousand, four hundred fifty-five".