146247444 has 60 divisors (see below), whose sum is σ = 436943584. Its totient is φ = 41784336.

The previous prime is 146247443. The next prime is 146247449. The reversal of 146247444 is 444742641.

146247444 is a `hidden beast` number, since 146 + 2 + 474 + 44 = 666.

146247444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 = 146247399 and 146247408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146247443) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29974 + ... + 34509.

Almost surely, 2^146247444 is an apocalyptic number.

146247444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

146247444 is an abundant number, since it is smaller than the sum of its proper divisors (290696140).

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

146247444 is a wasteful number, since it uses less digits than its factorization.

146247444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64506 (or 64495 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 146247444 is about 12093.2809443922. The cubic root of 146247444 is about 526.8610521757.

The spelling of 146247444 in words is "one hundred forty-six million, two hundred forty-seven thousand, four hundred forty-four".