142064715 has 16 divisors (see below), whose sum is σ = 244788768. Its totient is φ = 69939456.

The previous prime is 142064711. The next prime is 142064731. The reversal of 142064715 is 517460241.

It is not a de Polignac number, because 142064715 - 2² = 142064711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142064711) 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, 364074 + ... + 364463.

It is an arithmetic number, because the mean of its divisors is an integer number (15299298).

Almost surely, 2^142064715 is an apocalyptic number.

142064715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142064715 is a deficient number, since it is larger than the sum of its proper divisors (102724053).

142064715 is a wasteful number, since it uses less digits than its factorization.

142064715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728558.

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

The square root of 142064715 is about 11919.0903595870. The cubic root of 142064715 is about 521.7895872504.

The spelling of 142064715 in words is "one hundred forty-two million, sixty-four thousand, seven hundred fifteen".