146218149 has 64 divisors (see below), whose sum is σ = 275374080. Its totient is φ = 74468160.

The previous prime is 146218141. The next prime is 146218157. The reversal of 146218149 is 941812641.

146218149 is a `hidden beast` number, since 14 + 621 + 8 + 14 + 9 = 666.

146218149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (146218141) and next prime (146218157).

It is not a de Polignac number, because 146218149 - 2³ = 146218141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146218141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109524 + ... + 110850.

It is an arithmetic number, because the mean of its divisors is an integer number (4302720).

Almost surely, 2^146218149 is an apocalyptic number.

It is an amenable number.

146218149 is a deficient number, since it is larger than the sum of its proper divisors (129155931).

146218149 is a wasteful number, since it uses less digits than its factorization.

146218149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407 (or 1401 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 146218149 is about 12092.0696739640. The cubic root of 146218149 is about 526.8258711045.

The spelling of 146218149 in words is "one hundred forty-six million, two hundred eighteen thousand, one hundred forty-nine".