146391418 has 8 divisors (see below), whose sum is σ = 219649248. Its totient is φ = 73175004.

The previous prime is 146391397. The next prime is 146391419. The reversal of 146391418 is 814193641.

146391418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (146391419) 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, 955 + ... + 17137.

It is an arithmetic number, because the mean of its divisors is an integer number (27456156).

Almost surely, 2^146391418 is an apocalyptic number.

146391418 is a deficient number, since it is larger than the sum of its proper divisors (73257830).

146391418 is a wasteful number, since it uses less digits than its factorization.

146391418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20708.

The product of its digits is 20736, while the sum is 37.

The square root of 146391418 is about 12099.2321243953. The cubic root of 146391418 is about 527.0338857718.

The spelling of 146391418 in words is "one hundred forty-six million, three hundred ninety-one thousand, four hundred eighteen".