142553551 has 8 divisors (see below), whose sum is σ = 172501920. Its totient is φ = 115001088.

The previous prime is 142553549. The next prime is 142553581. The reversal of 142553551 is 155355241.

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

It is a cyclic number.

It is not a de Polignac number, because 142553551 - 2¹ = 142553549 is a prime.

It is a super-3 number, since 3×142553551³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142553501) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 598846 + ... + 599083.

It is an arithmetic number, because the mean of its divisors is an integer number (21562740).

Almost surely, 2^142553551 is an apocalyptic number.

142553551 is a deficient number, since it is larger than the sum of its proper divisors (29948369).

142553551 is a wasteful number, since it uses less digits than its factorization.

142553551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197953.

The product of its digits is 15000, while the sum is 31.

The square root of 142553551 is about 11939.5791801889. The cubic root of 142553551 is about 522.3873841373.

The spelling of 142553551 in words is "one hundred forty-two million, five hundred fifty-three thousand, five hundred fifty-one".