146622740 has 24 divisors (see below), whose sum is σ = 335899872. Its totient is φ = 53317280.

The previous prime is 146622701. The next prime is 146622757. The reversal of 146622740 is 47226641.

It is a junction number, because it is equal to n+sod(n) for n = 146622697 and 146622706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333014 + ... + 333453.

It is an arithmetic number, because the mean of its divisors is an integer number (13995828).

Almost surely, 2^146622740 is an apocalyptic number.

146622740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146622740 is an abundant number, since it is smaller than the sum of its proper divisors (189277132).

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

146622740 is a wasteful number, since it uses less digits than its factorization.

146622740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666487 (or 666485 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 146622740 is about 12108.7877180170. The cubic root of 146622740 is about 527.3113391354.

The spelling of 146622740 in words is "one hundred forty-six million, six hundred twenty-two thousand, seven hundred forty".