146131188 has 24 divisors (see below), whose sum is σ = 389683392. Its totient is φ = 41751744.

The previous prime is 146131171. The next prime is 146131189. The reversal of 146131188 is 881131641.

It is a happy number.

146131188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146131189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869745 + ... + 869912.

It is an arithmetic number, because the mean of its divisors is an integer number (16236808).

Almost surely, 2^146131188 is an apocalyptic number.

It is an amenable number.

146131188 is an abundant number, since it is smaller than the sum of its proper divisors (243552204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146131188 is a wasteful number, since it uses less digits than its factorization.

146131188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739671 (or 1739669 counting only the distinct ones).

The product of its digits is 4608, while the sum is 33.

The square root of 146131188 is about 12088.4733527439. The cubic root of 146131188 is about 526.7214098591.

The spelling of 146131188 in words is "one hundred forty-six million, one hundred thirty-one thousand, one hundred eighty-eight".