142055715 has 16 divisors (see below), whose sum is σ = 228447648. Its totient is φ = 75376896.

The previous prime is 142055707. The next prime is 142055729. The reversal of 142055715 is 517550241.

142055715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142055715 - 2³ = 142055707 is a prime.

It is a super-2 number, since 2×142055715² = 40359652328322450, which contains 22 as substring.

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, 21082 + ... + 26991.

It is an arithmetic number, because the mean of its divisors is an integer number (14277978).

Almost surely, 2^142055715 is an apocalyptic number.

142055715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142055715 is a deficient number, since it is larger than the sum of its proper divisors (86391933).

142055715 is a wasteful number, since it uses less digits than its factorization.

142055715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48278.

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 142055715 is about 11918.7128080175. The cubic root of 142055715 is about 521.7785683156.

The spelling of 142055715 in words is "one hundred forty-two million, fifty-five thousand, seven hundred fifteen".