146431086 has 8 divisors (see below), whose sum is σ = 292862184. Its totient is φ = 48810360.

The previous prime is 146431069. The next prime is 146431093. The reversal of 146431086 is 680134641.

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

146431086 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12202585 + ... + 12202596.

It is an arithmetic number, because the mean of its divisors is an integer number (36607773).

Almost surely, 2^146431086 is an apocalyptic number.

146431086 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.

146431086 is a wasteful number, since it uses less digits than its factorization.

146431086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24405186.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 146431086 is about 12100.8712909443. The cubic root of 146431086 is about 527.0814853110.

The spelling of 146431086 in words is "one hundred forty-six million, four hundred thirty-one thousand, eighty-six".