146154091 has 2 divisors, whose sum is σ = 146154092. Its totient is φ = 146154090.

The previous prime is 146154089. The next prime is 146154133. The reversal of 146154091 is 190451641.

It is a weak prime.

It is an emirp because it is prime and its reverse (190451641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146154091 - 2¹ = 146154089 is a prime.

It is a super-2 number, since 2×146154091² = 42722036632072562, which contains 22 as substring.

Together with 146154089, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146154011) 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 as a sum of consecutive naturals, namely, 73077045 + 73077046.

It is an arithmetic number, because the mean of its divisors is an integer number (73077046).

Almost surely, 2^146154091 is an apocalyptic number.

146154091 is a deficient number, since it is larger than the sum of its proper divisors (1).

146154091 is an equidigital number, since it uses as much as digits as its factorization.

146154091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 146154091 is about 12089.4206230075. The cubic root of 146154091 is about 526.7489259343.

The spelling of 146154091 in words is "one hundred forty-six million, one hundred fifty-four thousand, ninety-one".