146155601 has 2 divisors, whose sum is σ = 146155602. Its totient is φ = 146155600.

The previous prime is 146155531. The next prime is 146155627. The reversal of 146155601 is 106551641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144024001 + 2131600 = 12001^2 + 1460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146155601 is a prime.

It is a super-2 number, since 2×146155601² = 42722919407342402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (146155631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73077800 + 73077801.

It is an arithmetic number, because the mean of its divisors is an integer number (73077801).

Almost surely, 2^146155601 is an apocalyptic number.

It is an amenable number.

146155601 is a deficient number, since it is larger than the sum of its proper divisors (1).

146155601 is an equidigital number, since it uses as much as digits as its factorization.

146155601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 146155601 is about 12089.4830741434. The cubic root of 146155601 is about 526.7507399744.

The spelling of 146155601 in words is "one hundred forty-six million, one hundred fifty-five thousand, six hundred one".