142988554 has 8 divisors (see below), whose sum is σ = 221401728. Its totient is φ = 69187980.

The previous prime is 142988551. The next prime is 142988561. The reversal of 142988554 is 455889241.

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

It is not an unprimeable number, because it can be changed into a prime (142988551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153072 + ... + 1153195.

It is an arithmetic number, because the mean of its divisors is an integer number (27675216).

Almost surely, 2^142988554 is an apocalyptic number.

142988554 is a deficient number, since it is larger than the sum of its proper divisors (78413174).

142988554 is a wasteful number, since it uses less digits than its factorization.

142988554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306300.

The product of its digits is 460800, while the sum is 46.

The square root of 142988554 is about 11957.7821522220. The cubic root of 142988554 is about 522.9182006322.

The spelling of 142988554 in words is "one hundred forty-two million, nine hundred eighty-eight thousand, five hundred fifty-four".