142061005 has 8 divisors (see below), whose sum is σ = 179445600. Its totient is φ = 107667216.

The previous prime is 142060991. The next prime is 142061021. The reversal of 142061005 is 500160241.

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 142061005 - 2⁹ = 142060493 is a prime.

It is a super-2 number, since 2×142061005² = 40362658283220050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

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, 747595 + ... + 747784.

It is an arithmetic number, because the mean of its divisors is an integer number (22430700).

Almost surely, 2^142061005 is an apocalyptic number.

It is an amenable number.

142061005 is a deficient number, since it is larger than the sum of its proper divisors (37384595).

142061005 is a wasteful number, since it uses less digits than its factorization.

142061005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495403.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 142061005 is about 11918.9347258889. The cubic root of 142061005 is about 521.7850450570.

The spelling of 142061005 in words is "one hundred forty-two million, sixty-one thousand, five".