142110440 has 32 divisors (see below), whose sum is σ = 330777000. Its totient is φ = 54883584.

The previous prime is 142110433. The next prime is 142110457. The reversal of 142110440 is 44011241.

142110440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 141467236 + 643204 = 11894^2 + 802^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60095 + ... + 62414.

Almost surely, 2^142110440 is an apocalyptic number.

142110440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142110440 is an abundant number, since it is smaller than the sum of its proper divisors (188666560).

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

142110440 is a wasteful number, since it uses less digits than its factorization.

142110440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122549 (or 122545 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 142110440 is about 11921.0083466123. The cubic root of 142110440 is about 521.8455623731.

Adding to 142110440 its reverse (44011241), we get a palindrome (186121681).

The spelling of 142110440 in words is "one hundred forty-two million, one hundred ten thousand, four hundred forty".