146327478 has 64 divisors (see below), whose sum is σ = 327608064. Its totient is φ = 43560000.

The previous prime is 146327477. The next prime is 146327479. The reversal of 146327478 is 874723641.

It is an interprime number because it is at equal distance from previous prime (146327477) and next prime (146327479).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146327477) 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, 582853 + ... + 583103.

It is an arithmetic number, because the mean of its divisors is an integer number (5118876).

Almost surely, 2^146327478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146327478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163804032).

146327478 is an abundant number, since it is smaller than the sum of its proper divisors (181280586).

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

146327478 is a wasteful number, since it uses less digits than its factorization.

146327478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 340 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 146327478 is about 12096.5895193645. The cubic root of 146327478 is about 526.9571429898.

The spelling of 146327478 in words is "one hundred forty-six million, three hundred twenty-seven thousand, four hundred seventy-eight".