142232455 has 16 divisors (see below), whose sum is σ = 181367424. Its totient is φ = 106708480.

The previous prime is 142232449. The next prime is 142232471. The reversal of 142232455 is 554232241.

142232455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-142232455 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22050 + ... + 27760.

It is an arithmetic number, because the mean of its divisors is an integer number (11335464).

Almost surely, 2^142232455 is an apocalyptic number.

142232455 is a deficient number, since it is larger than the sum of its proper divisors (39134969).

142232455 is a wasteful number, since it uses less digits than its factorization.

142232455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6026.

The product of its digits is 9600, while the sum is 28.

The square root of 142232455 is about 11926.1248945330. The cubic root of 142232455 is about 521.9948705964.

Adding to 142232455 its reverse (554232241), we get a palindrome (696464696).

The spelling of 142232455 in words is "one hundred forty-two million, two hundred thirty-two thousand, four hundred fifty-five".