146668156 has 24 divisors (see below), whose sum is σ = 261702000. Its totient is φ = 71904000.

The previous prime is 146668139. The next prime is 146668157. The reversal of 146668156 is 651866641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146668157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97095 + ... + 98593.

It is an arithmetic number, because the mean of its divisors is an integer number (10904250).

Almost surely, 2^146668156 is an apocalyptic number.

It is an amenable number.

146668156 is a deficient number, since it is larger than the sum of its proper divisors (115033844).

146668156 is a wasteful number, since it uses less digits than its factorization.

146668156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 1963 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 146668156 is about 12110.6629050602. The cubic root of 146668156 is about 527.3657779389.

It can be divided in two parts, 14666 and 8156, that added together give a palindrome (22822).

The spelling of 146668156 in words is "one hundred forty-six million, six hundred sixty-eight thousand, one hundred fifty-six".