146389464 has 128 divisors (see below), whose sum is σ = 450072000. Its totient is φ = 43794432.

The previous prime is 146389459. The next prime is 146389489. The reversal of 146389464 is 464983641.

146389464 is a `hidden beast` number, since 1 + 4 + 638 + 9 + 4 + 6 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103192 + ... + 104600.

Almost surely, 2^146389464 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 146389464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225036000).

146389464 is an abundant number, since it is smaller than the sum of its proper divisors (303682536).

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

146389464 is a wasteful number, since it uses less digits than its factorization.

146389464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474 (or 1464 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 146389464 is about 12099.1513751998. The cubic root of 146389464 is about 527.0315408512.

The spelling of 146389464 in words is "one hundred forty-six million, three hundred eighty-nine thousand, four hundred sixty-four".