146613646 has 4 divisors (see below), whose sum is σ = 219920472. Its totient is φ = 73306822.

The previous prime is 146613637. The next prime is 146613653. The reversal of 146613646 is 646316641.

146613646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 646316641 = 18049 ⋅35809.

It is a super-2 number, since 2×146613646² = 42991122386826632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36653410 + ... + 36653413.

It is an arithmetic number, because the mean of its divisors is an integer number (54980118).

Almost surely, 2^146613646 is an apocalyptic number.

146613646 is a deficient number, since it is larger than the sum of its proper divisors (73306826).

146613646 is an equidigital number, since it uses as much as digits as its factorization.

146613646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73306825.

The product of its digits is 62208, while the sum is 37.

The square root of 146613646 is about 12108.4121997890. The cubic root of 146613646 is about 527.3004370783.

The spelling of 146613646 in words is "one hundred forty-six million, six hundred thirteen thousand, six hundred forty-six".