142047615 has 16 divisors (see below), whose sum is σ = 228146688. Its totient is φ = 75468576.

The previous prime is 142047613. The next prime is 142047617. The reversal of 142047615 is 516740241.

142047615 is nontrivially palindromic in base 9.

It is an interprime number because it is at equal distance from previous prime (142047613) and next prime (142047617).

It is not a de Polignac number, because 142047615 - 2¹ = 142047613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142047613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14059 + ... + 21948.

It is an arithmetic number, because the mean of its divisors is an integer number (14259168).

Almost surely, 2^142047615 is an apocalyptic number.

142047615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142047615 is a deficient number, since it is larger than the sum of its proper divisors (86099073).

142047615 is a wasteful number, since it uses less digits than its factorization.

142047615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36278.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 142047615 is about 11918.3730013790. The cubic root of 142047615 is about 521.7686508765.

Adding to 142047615 its reverse (516740241), we get a palindrome (658787856).

The spelling of 142047615 in words is "one hundred forty-two million, forty-seven thousand, six hundred fifteen".