146911145 has 4 divisors (see below), whose sum is σ = 176293380. Its totient is φ = 117528912.

The previous prime is 146911133. The next prime is 146911151. The reversal of 146911145 is 541119641.

146911145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541119641 = 97 ⋅5578553.

It can be written as a sum of positive squares in 2 ways, for example, as 80928016 + 65983129 = 8996^2 + 8123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146911145 is a prime.

It is a super-2 number, since 2×146911145² = 43165769050422050, which contains 22 as substring.

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, 14691110 + ... + 14691119.

It is an arithmetic number, because the mean of its divisors is an integer number (44073345).

Almost surely, 2^146911145 is an apocalyptic number.

It is an amenable number.

146911145 is a deficient number, since it is larger than the sum of its proper divisors (29382235).

146911145 is an equidigital number, since it uses as much as digits as its factorization.

146911145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29382234.

The product of its digits is 4320, while the sum is 32.

The square root of 146911145 is about 12120.6907806445. The cubic root of 146911145 is about 527.6568508502.

The spelling of 146911145 in words is "one hundred forty-six million, nine hundred eleven thousand, one hundred forty-five".