146149307 has 2 divisors, whose sum is σ = 146149308. Its totient is φ = 146149306.

The previous prime is 146149277. The next prime is 146149319. The reversal of 146149307 is 703941641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146149307 - 2⁶ = 146149243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146149207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73074653 + 73074654.

It is an arithmetic number, because the mean of its divisors is an integer number (73074654).

Almost surely, 2^146149307 is an apocalyptic number.

146149307 is a deficient number, since it is larger than the sum of its proper divisors (1).

146149307 is an equidigital number, since it uses as much as digits as its factorization.

146149307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 146149307 is about 12089.2227624442. Note that the first 3 decimals coincide. The cubic root of 146149307 is about 526.7431785884.

The spelling of 146149307 in words is "one hundred forty-six million, one hundred forty-nine thousand, three hundred seven".