146229774 has 32 divisors (see below), whose sum is σ = 303246720. Its totient is φ = 46953312.

The previous prime is 146229763. The next prime is 146229847. The reversal of 146229774 is 477922641.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111229 + ... + 112535.

It is an arithmetic number, because the mean of its divisors is an integer number (9476460).

Almost surely, 2^146229774 is an apocalyptic number.

146229774 is an abundant number, since it is smaller than the sum of its proper divisors (157016946).

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

146229774 is a wasteful number, since it uses less digits than its factorization.

146229774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984.

The product of its digits is 169344, while the sum is 42.

The square root of 146229774 is about 12092.5503513527. The cubic root of 146229774 is about 526.8398324094.

The spelling of 146229774 in words is "one hundred forty-six million, two hundred twenty-nine thousand, seven hundred seventy-four".