146431085 has 16 divisors (see below), whose sum is σ = 180423936. Its totient is φ = 114034368.

The previous prime is 146431069. The next prime is 146431093. The reversal of 146431085 is 580134641.

It is a cyclic number.

It is not a de Polignac number, because 146431085 - 2⁴ = 146431069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44714 + ... + 47876.

It is an arithmetic number, because the mean of its divisors is an integer number (11276496).

Almost surely, 2^146431085 is an apocalyptic number.

It is an amenable number.

146431085 is a deficient number, since it is larger than the sum of its proper divisors (33992851).

146431085 is a wasteful number, since it uses less digits than its factorization.

146431085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 146431085 is about 12100.8712496250. The cubic root of 146431085 is about 527.0814841112.

The spelling of 146431085 in words is "one hundred forty-six million, four hundred thirty-one thousand, eighty-five".