146923146 has 48 divisors (see below), whose sum is σ = 349562304. Its totient is φ = 46090944.

The previous prime is 146923141. The next prime is 146923177. The reversal of 146923146 is 641329641.

It is a self number, because there is not a number n which added to its sum of digits gives 146923146.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146923141) 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 23 ways as a sum of consecutive naturals, for example, 630 + ... + 17153.

It is an arithmetic number, because the mean of its divisors is an integer number (7282548).

Almost surely, 2^146923146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146923146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174781152).

146923146 is an abundant number, since it is smaller than the sum of its proper divisors (202639158).

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

146923146 is a wasteful number, since it uses less digits than its factorization.

146923146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17817 (or 17805 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 146923146 is about 12121.1858330776. The cubic root of 146923146 is about 527.6712183498.

The spelling of 146923146 in words is "one hundred forty-six million, nine hundred twenty-three thousand, one hundred forty-six".