146398446 has 12 divisors (see below), whose sum is σ = 317196672. Its totient is φ = 48799476.

The previous prime is 146398423. The next prime is 146398451. The reversal of 146398446 is 644893641.

146398446 is a `hidden beast` number, since 1 + 4 + 639 + 8 + 4 + 4 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4066606 + ... + 4066641.

It is an arithmetic number, because the mean of its divisors is an integer number (26433056).

Almost surely, 2^146398446 is an apocalyptic number.

146398446 is an abundant number, since it is smaller than the sum of its proper divisors (170798226).

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

146398446 is a wasteful number, since it uses less digits than its factorization.

146398446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8133255 (or 8133252 counting only the distinct ones).

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

The square root of 146398446 is about 12099.5225525638. The cubic root of 146398446 is about 527.0423196334.

The spelling of 146398446 in words is "one hundred forty-six million, three hundred ninety-eight thousand, four hundred forty-six".