142303155 has 16 divisors (see below), whose sum is σ = 229196544. Its totient is φ = 75391200.

The previous prime is 142303151. The next prime is 142303159. The reversal of 142303155 is 551303241.

It is an interprime number because it is at equal distance from previous prime (142303151) and next prime (142303159).

It is not a de Polignac number, because 142303155 - 2² = 142303151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142303151) 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, 29149 + ... + 33678.

It is an arithmetic number, because the mean of its divisors is an integer number (14324784).

Almost surely, 2^142303155 is an apocalyptic number.

142303155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142303155 is a deficient number, since it is larger than the sum of its proper divisors (86893389).

142303155 is a wasteful number, since it uses less digits than its factorization.

142303155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62986.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 142303155 is about 11929.0886072659. The cubic root of 142303155 is about 522.0813462282.

Adding to 142303155 its reverse (551303241), we get a palindrome (693606396).

The spelling of 142303155 in words is "one hundred forty-two million, three hundred three thousand, one hundred fifty-five".