146881229 has 32 divisors (see below), whose sum is σ = 176238720. Its totient is φ = 120960000.

The previous prime is 146881211. The next prime is 146881271. The reversal of 146881229 is 922188641.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146881229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146881279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 522569 + ... + 522849.

It is an arithmetic number, because the mean of its divisors is an integer number (5507460).

Almost surely, 2^146881229 is an apocalyptic number.

146881229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

146881229 is a deficient number, since it is larger than the sum of its proper divisors (29357491).

146881229 is a wasteful number, since it uses less digits than its factorization.

146881229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its digits is 55296, while the sum is 41.

The square root of 146881229 is about 12119.4566297339. The cubic root of 146881229 is about 527.6210322517.

The spelling of 146881229 in words is "one hundred forty-six million, eight hundred eighty-one thousand, two hundred twenty-nine".