148618541 has 2 divisors, whose sum is σ = 148618542. Its totient is φ = 148618540.

The previous prime is 148618531. The next prime is 148618577. The reversal of 148618541 is 145816841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116014441 + 32604100 = 10771^2 + 5710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148618541 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148618495 and 148618504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148618501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74309270 + 74309271.

It is an arithmetic number, because the mean of its divisors is an integer number (74309271).

Almost surely, 2^148618541 is an apocalyptic number.

It is an amenable number.

148618541 is a deficient number, since it is larger than the sum of its proper divisors (1).

148618541 is an equidigital number, since it uses as much as digits as its factorization.

148618541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 38.

The square root of 148618541 is about 12190.9204328467. The cubic root of 148618541 is about 529.6931188905.

The spelling of 148618541 in words is "one hundred forty-eight million, six hundred eighteen thousand, five hundred forty-one".