146649012 has 24 divisors (see below), whose sum is σ = 357059136. Its totient is φ = 46757568.

The previous prime is 146649007. The next prime is 146649017. The reversal of 146649012 is 210946641.

It is an interprime number because it is at equal distance from previous prime (146649007) and next prime (146649017).

It is a super-2 number, since 2×146649012² = 43011865441152288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146649017) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 265393 + ... + 265944.

It is an arithmetic number, because the mean of its divisors is an integer number (14877464).

Almost surely, 2^146649012 is an apocalyptic number.

146649012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

146649012 is an abundant number, since it is smaller than the sum of its proper divisors (210410124).

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

146649012 is a wasteful number, since it uses less digits than its factorization.

146649012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531367 (or 531365 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 146649012 is about 12109.8725013932. The cubic root of 146649012 is about 527.3428319679.

The spelling of 146649012 in words is "one hundred forty-six million, six hundred forty-nine thousand, twelve".