146194464 has 72 divisors (see below), whose sum is σ = 415597392. Its totient is φ = 44977920.

The previous prime is 146194429. The next prime is 146194483. The reversal of 146194464 is 464491641.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11719 + ... + 20729.

It is an arithmetic number, because the mean of its divisors is an integer number (5772186).

Almost surely, 2^146194464 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 146194464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207798696).

146194464 is an abundant number, since it is smaller than the sum of its proper divisors (269402928).

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

146194464 is a wasteful number, since it uses less digits than its factorization.

146194464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9050 (or 9029 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 146194464 is about 12091.0902734203. The cubic root of 146194464 is about 526.7974237820.

The spelling of 146194464 in words is "one hundred forty-six million, one hundred ninety-four thousand, four hundred sixty-four".