142055511 has 8 divisors (see below), whose sum is σ = 203977200. Its totient is φ = 87418752.

The previous prime is 142055503. The next prime is 142055513. The reversal of 142055511 is 115550241.

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

It is not a de Polignac number, because 142055511 - 2³ = 142055503 is a prime.

It is a super-2 number, since 2×142055511² = 40359536410942242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142055513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1821186 + ... + 1821263.

It is an arithmetic number, because the mean of its divisors is an integer number (25497150).

Almost surely, 2^142055511 is an apocalyptic number.

142055511 is a deficient number, since it is larger than the sum of its proper divisors (61921689).

142055511 is a wasteful number, since it uses less digits than its factorization.

142055511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642465.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 142055511 is about 11918.7042500433. The cubic root of 142055511 is about 521.7783185477.

The spelling of 142055511 in words is "one hundred forty-two million, fifty-five thousand, five hundred eleven".