146438133 has 8 divisors (see below), whose sum is σ = 195319968. Its totient is φ = 97590864.

The previous prime is 146438093. The next prime is 146438179. The reversal of 146438133 is 331834641.

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

It is a de Polignac number, because none of the positive numbers 2^k-146438133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146438094 and 146438103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146438333) 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, 3810 + ... + 17532.

It is an arithmetic number, because the mean of its divisors is an integer number (24414996).

Almost surely, 2^146438133 is an apocalyptic number.

It is an amenable number.

146438133 is a deficient number, since it is larger than the sum of its proper divisors (48881835).

146438133 is a wasteful number, since it uses less digits than its factorization.

146438133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17283.

The product of its digits is 20736, while the sum is 33.

The square root of 146438133 is about 12101.1624648213. The cubic root of 146438133 is about 527.0899404457.

The spelling of 146438133 in words is "one hundred forty-six million, four hundred thirty-eight thousand, one hundred thirty-three".