146738217 has 8 divisors (see below), whose sum is σ = 196206624. Its totient is φ = 97547648.

The previous prime is 146738177. The next prime is 146738219. The reversal of 146738217 is 712837641.

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

It is a cyclic number.

It is not a de Polignac number, because 146738217 - 2⁸ = 146737961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146738219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68223 + ... + 70340.

It is an arithmetic number, because the mean of its divisors is an integer number (24525828).

Almost surely, 2^146738217 is an apocalyptic number.

It is an amenable number.

146738217 is a deficient number, since it is larger than the sum of its proper divisors (49468407).

146738217 is a wasteful number, since it uses less digits than its factorization.

146738217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138919.

The product of its digits is 56448, while the sum is 39.

The square root of 146738217 is about 12113.5550933654. Note that the first 3 decimals coincide. The cubic root of 146738217 is about 527.4497359322.

The spelling of 146738217 in words is "one hundred forty-six million, seven hundred thirty-eight thousand, two hundred seventeen".