142015330 has 16 divisors (see below), whose sum is σ = 256928760. Its totient is φ = 56516992.

The previous prime is 142015319. The next prime is 142015333. The reversal of 142015330 is 33510241.

It can be written as a sum of positive squares in 4 ways, for example, as 142014889 + 441 = 11917^2 + 21^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142015298 and 142015307.

It is not an unprimeable number, because it can be changed into a prime (142015333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34075 + ... + 38014.

Almost surely, 2^142015330 is an apocalyptic number.

142015330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142015330 is a deficient number, since it is larger than the sum of its proper divisors (114913430).

142015330 is a wasteful number, since it uses less digits than its factorization.

142015330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72293.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 142015330 is about 11917.0185029646. The cubic root of 142015330 is about 521.7291181764.

Adding to 142015330 its reverse (33510241), we get a palindrome (175525571).

The spelling of 142015330 in words is "one hundred forty-two million, fifteen thousand, three hundred thirty".