142040554 has 8 divisors (see below), whose sum is σ = 213524388. Its totient is φ = 70865760.

The previous prime is 142040537. The next prime is 142040573. The reversal of 142040554 is 455040241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 136352329 + 5688225 = 11677^2 + 2385^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 76107 + ... + 77950.

Almost surely, 2^142040554 is an apocalyptic number.

142040554 is a deficient number, since it is larger than the sum of its proper divisors (71483834).

142040554 is a wasteful number, since it uses less digits than its factorization.

142040554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154520.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 142040554 is about 11918.0767743793. The cubic root of 142040554 is about 521.7600052556.

Adding to 142040554 its reverse (455040241), we get a palindrome (597080795).

The spelling of 142040554 in words is "one hundred forty-two million, forty thousand, five hundred fifty-four".