146881149 has 16 divisors (see below), whose sum is σ = 199680000. Its totient is φ = 96010416.

The previous prime is 146881127. The next prime is 146881159. The reversal of 146881149 is 941188641.

It is a happy number.

146881149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 146881149 - 2⁵ = 146881117 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 146881149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146881159) 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, 87492 + ... + 89154.

It is an arithmetic number, because the mean of its divisors is an integer number (12480000).

Almost surely, 2^146881149 is an apocalyptic number.

It is an amenable number.

146881149 is a deficient number, since it is larger than the sum of its proper divisors (52798851).

146881149 is a wasteful number, since it uses less digits than its factorization.

146881149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224.

The product of its digits is 55296, while the sum is 42.

The square root of 146881149 is about 12119.4533292554. The cubic root of 146881149 is about 527.6209364608.

The spelling of 146881149 in words is "one hundred forty-six million, eight hundred eighty-one thousand, one hundred forty-nine".