146346444 has 18 divisors (see below), whose sum is σ = 369931380. Its totient is φ = 48782136.

The previous prime is 146346439. The next prime is 146346449. The reversal of 146346444 is 444643641.

146346444 is a `hidden beast` number, since 1 + 4 + 6 + 3 + 4 + 644 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (146346439) and next prime (146346449).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4065179 = 146346444 / (1 + 4 + 6 + 3 + 4 + 6 + 4 + 4 + 4).

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

It is a junction number, because it is equal to n+sod(n) for n = 146346399 and 146346408.

It is not an unprimeable number, because it can be changed into a prime (146346449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2032554 + ... + 2032625.

Almost surely, 2^146346444 is an apocalyptic number.

It is an amenable number.

146346444 is an abundant number, since it is smaller than the sum of its proper divisors (223584936).

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

146346444 is a wasteful number, since it uses less digits than its factorization.

146346444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065189 (or 4065184 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 146346444 is about 12097.3734339318. The cubic root of 146346444 is about 526.9799089062.

The spelling of 146346444 in words is "one hundred forty-six million, three hundred forty-six thousand, four hundred forty-four".