142555544 has 16 divisors (see below), whose sum is σ = 268002600. Its totient is φ = 71088192.

The previous prime is 142555519. The next prime is 142555547. The reversal of 142555544 is 445555241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142555547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20477 + ... + 26540.

Almost surely, 2^142555544 is an apocalyptic number.

It is an amenable number.

142555544 is a deficient number, since it is larger than the sum of its proper divisors (125447056).

142555544 is a wasteful number, since it uses less digits than its factorization.

142555544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47402 (or 47398 counting only the distinct ones).

The product of its digits is 80000, while the sum is 35.

The square root of 142555544 is about 11939.6626418002. The cubic root of 142555544 is about 522.3898185749.

The spelling of 142555544 in words is "one hundred forty-two million, five hundred fifty-five thousand, five hundred forty-four".