142630455 has 16 divisors (see below), whose sum is σ = 248955264. Its totient is φ = 69154080.

The previous prime is 142630451. The next prime is 142630457. The reversal of 142630455 is 554036241.

It is not a de Polignac number, because 142630455 - 2² = 142630451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142630451) 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, 432049 + ... + 432378.

It is an arithmetic number, because the mean of its divisors is an integer number (15559704).

Almost surely, 2^142630455 is an apocalyptic number.

142630455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142630455 is a deficient number, since it is larger than the sum of its proper divisors (106324809).

142630455 is a wasteful number, since it uses less digits than its factorization.

142630455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864446.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 142630455 is about 11942.7992949727. The cubic root of 142630455 is about 522.4813054673.

Adding to 142630455 its reverse (554036241), we get a palindrome (696666696).

The spelling of 142630455 in words is "one hundred forty-two million, six hundred thirty thousand, four hundred fifty-five".