146045139 has 8 divisors (see below), whose sum is σ = 195168192. Its totient is φ = 97142760.

The previous prime is 146045117. The next prime is 146045183. The reversal of 146045139 is 931540641.

146045139 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 a de Polignac number, because 146045139 - 2¹¹ = 146043091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146045839) 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, 53617 + ... + 56274.

It is an arithmetic number, because the mean of its divisors is an integer number (24396024).

Almost surely, 2^146045139 is an apocalyptic number.

146045139 is a deficient number, since it is larger than the sum of its proper divisors (49123053).

146045139 is a wasteful number, since it uses less digits than its factorization.

146045139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110337.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 146045139 is about 12084.9136943546. The cubic root of 146045139 is about 526.6180033461.

The spelling of 146045139 in words is "one hundred forty-six million, forty-five thousand, one hundred thirty-nine".