142748558 has 16 divisors (see below), whose sum is σ = 238651920. Its totient is φ = 63639936.

The previous prime is 142748549. The next prime is 142748561. The reversal of 142748558 is 855847241.

It is a super-2 number, since 2×142748558² = 40754301622158728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 109841 + ... + 111132.

It is an arithmetic number, because the mean of its divisors is an integer number (14915745).

Almost surely, 2^142748558 is an apocalyptic number.

142748558 is a deficient number, since it is larger than the sum of its proper divisors (95903362).

142748558 is a wasteful number, since it uses less digits than its factorization.

142748558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221011.

The product of its digits is 358400, while the sum is 44.

The square root of 142748558 is about 11947.7427993743. The cubic root of 142748558 is about 522.6254766069.

The spelling of 142748558 in words is "one hundred forty-two million, seven hundred forty-eight thousand, five hundred fifty-eight".