146890205 has 16 divisors (see below), whose sum is σ = 219763584. Its totient is φ = 91567680.

The previous prime is 146890199. The next prime is 146890207. The reversal of 146890205 is 502098641.

It is not a de Polignac number, because 146890205 - 2²⁴ = 130112989 is a prime.

It is a super-4 number, since 4×146890205⁴ (a number of 34 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146890207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190382 + ... + 191151.

It is an arithmetic number, because the mean of its divisors is an integer number (13735224).

Almost surely, 2^146890205 is an apocalyptic number.

It is an amenable number.

146890205 is a deficient number, since it is larger than the sum of its proper divisors (72873379).

146890205 is a wasteful number, since it uses less digits than its factorization.

146890205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381556.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 146890205 is about 12119.8269377083. The cubic root of 146890205 is about 527.6317797787.

The spelling of 146890205 in words is "one hundred forty-six million, eight hundred ninety thousand, two hundred five".