146623380 has 96 divisors (see below), whose sum is σ = 442834560. Its totient is φ = 36126720.

The previous prime is 146623369. The next prime is 146623381. The reversal of 146623380 is 83326641.

146623380 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 (146623381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45172 + ... + 48308.

It is an arithmetic number, because the mean of its divisors is an integer number (4612860).

Almost surely, 2^146623380 is an apocalyptic number.

146623380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146623380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221417280).

146623380 is an abundant number, since it is smaller than the sum of its proper divisors (296211180).

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

146623380 is a wasteful number, since it uses less digits than its factorization.

146623380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209 (or 3207 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 146623380 is about 12108.8141450763. The cubic root of 146623380 is about 527.3121063624.

The spelling of 146623380 in words is "one hundred forty-six million, six hundred twenty-three thousand, three hundred eighty".