142906146 has 8 divisors (see below), whose sum is σ = 285812304. Its totient is φ = 47635380.

The previous prime is 142906121. The next prime is 142906147. The reversal of 142906146 is 641609241.

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

142906146 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (142906147) 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, 11908840 + ... + 11908851.

It is an arithmetic number, because the mean of its divisors is an integer number (35726538).

Almost surely, 2^142906146 is an apocalyptic number.

142906146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142906146 is a wasteful number, since it uses less digits than its factorization.

142906146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23817696.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 142906146 is about 11954.3358661199. The cubic root of 142906146 is about 522.8177242351.

The spelling of 142906146 in words is "one hundred forty-two million, nine hundred six thousand, one hundred forty-six".