146145868 has 12 divisors (see below), whose sum is σ = 279005832. Its totient is φ = 66429920.

The previous prime is 146145859. The next prime is 146145869. The reversal of 146145868 is 868541641.

It is a super-2 number, since 2×146145868² = 42717229466946848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146145869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1660705 + ... + 1660792.

It is an arithmetic number, because the mean of its divisors is an integer number (23250486).

Almost surely, 2^146145868 is an apocalyptic number.

It is an amenable number.

146145868 is a deficient number, since it is larger than the sum of its proper divisors (132859964).

146145868 is a wasteful number, since it uses less digits than its factorization.

146145868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321512 (or 3321510 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 146145868 is about 12089.0805274843. The cubic root of 146145868 is about 526.7390470054.

The spelling of 146145868 in words is "one hundred forty-six million, one hundred forty-five thousand, eight hundred sixty-eight".