146229656 has 8 divisors (see below), whose sum is σ = 274180620. Its totient is φ = 73114824.

The previous prime is 146229641. The next prime is 146229689. The reversal of 146229656 is 656922641.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×146229656² = 42766224587756672, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 9139346 + ... + 9139361.

Almost surely, 2^146229656 is an apocalyptic number.

It is an amenable number.

146229656 is a deficient number, since it is larger than the sum of its proper divisors (127950964).

146229656 is a wasteful number, since it uses less digits than its factorization.

146229656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18278713 (or 18278709 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 146229656 is about 12092.5454723148. The cubic root of 146229656 is about 526.8396906984.

The spelling of 146229656 in words is "one hundred forty-six million, two hundred twenty-nine thousand, six hundred fifty-six".