142015460 has 12 divisors (see below), whose sum is σ = 298232508. Its totient is φ = 56806176.

The previous prime is 142015459. The next prime is 142015477. The reversal of 142015460 is 64510241.

It can be written as a sum of positive squares in 2 ways, for example, as 55115776 + 86899684 = 7424^2 + 9322^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3550367 + ... + 3550406.

It is an arithmetic number, because the mean of its divisors is an integer number (24852709).

Almost surely, 2^142015460 is an apocalyptic number.

142015460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142015460 is an abundant number, since it is smaller than the sum of its proper divisors (156217048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142015460 is a wasteful number, since it uses less digits than its factorization.

142015460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7100782 (or 7100780 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 142015460 is about 11917.0239573477. The cubic root of 142015460 is about 521.7292773723.

The spelling of 142015460 in words is "one hundred forty-two million, fifteen thousand, four hundred sixty".