146855269089 has 9 divisors (see below), whose sum is σ = 212125938193. Its totient is φ = 97902746292.

The previous prime is 146855269037. The next prime is 146855269111. The reversal of 146855269089 is 980962558641.

The square root of 146855269089 is 383217.

It is a perfect power (a square), and thus also a powerful number.

146855269089 is a `hidden beast` number, since 1 + 468 + 5 + 5 + 2 + 6 + 90 + 89 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 146855269089 - 2¹⁹ = 146854744801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146855269489) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1085782 + ... + 1213520.

Almost surely, 2^146855269089 is an apocalyptic number.

146855269089 is the 383217-th square number.

146855269089 is the 191609-th centered octagonal number.

It is an amenable number.

146855269089 is a deficient number, since it is larger than the sum of its proper divisors (65270669104).

146855269089 is an frugal number, since it uses more digits than its factorization.

146855269089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255484 (or 127742 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 63.

The spelling of 146855269089 in words is "one hundred forty-six billion, eight hundred fifty-five million, two hundred sixty-nine thousand, eighty-nine".