146918904 has 64 divisors (see below), whose sum is σ = 403056000. Its totient is φ = 44257920.

The previous prime is 146918903. The next prime is 146918911. The reversal of 146918904 is 409819641.

146918904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×146918904² = 43170328705122432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146918903) 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, 45702 + ... + 48810.

It is an arithmetic number, because the mean of its divisors is an integer number (6297750).

Almost surely, 2^146918904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146918904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201528000).

146918904 is an abundant number, since it is smaller than the sum of its proper divisors (256137096).

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

146918904 is a wasteful number, since it uses less digits than its factorization.

146918904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308 (or 3304 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 146918904 is about 12121.0108489350. The cubic root of 146918904 is about 527.6661399513. Note that the first 3 decimals are identical.

The spelling of 146918904 in words is "one hundred forty-six million, nine hundred eighteen thousand, nine hundred four".