146994151 has 2 divisors, whose sum is σ = 146994152. Its totient is φ = 146994150.

The previous prime is 146994149. The next prime is 146994209. The reversal of 146994151 is 151499641.

It is a weak prime.

It is an emirp because it is prime and its reverse (151499641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146994151 - 2¹ = 146994149 is a prime.

Together with 146994149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146994101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73497075 + 73497076.

It is an arithmetic number, because the mean of its divisors is an integer number (73497076).

Almost surely, 2^146994151 is an apocalyptic number.

146994151 is a deficient number, since it is larger than the sum of its proper divisors (1).

146994151 is an equidigital number, since it uses as much as digits as its factorization.

146994151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 40.

The square root of 146994151 is about 12124.1144418881. The cubic root of 146994151 is about 527.7562089538.

The spelling of 146994151 in words is "one hundred forty-six million, nine hundred ninety-four thousand, one hundred fifty-one".