142563415 has 4 divisors (see below), whose sum is σ = 171076104. Its totient is φ = 114050728.

The previous prime is 142563413. The next prime is 142563439. The reversal of 142563415 is 514365241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 514365241 = 13 ⋅39566557.

It is a cyclic number.

It is not a de Polignac number, because 142563415 - 2¹ = 142563413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142563413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14256337 + ... + 14256346.

It is an arithmetic number, because the mean of its divisors is an integer number (42769026).

Almost surely, 2^142563415 is an apocalyptic number.

142563415 is a deficient number, since it is larger than the sum of its proper divisors (28512689).

142563415 is an equidigital number, since it uses as much as digits as its factorization.

142563415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28512688.

The product of its digits is 14400, while the sum is 31.

The square root of 142563415 is about 11939.9922529288. The cubic root of 142563415 is about 522.3994327330.

It can be divided in two parts, 14256 and 3415, that added together give a palindrome (17671).

The spelling of 142563415 in words is "one hundred forty-two million, five hundred sixty-three thousand, four hundred fifteen".