148998643 has 2 divisors, whose sum is σ = 148998644. Its totient is φ = 148998642.

The previous prime is 148998637. The next prime is 148998649. The reversal of 148998643 is 346899841.

It is a happy number.

148998643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (148998637) and next prime (148998649).

It is a cyclic number.

It is not a de Polignac number, because 148998643 - 2⁵ = 148998611 is a prime.

It is the 12207-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (148998649) by changing a digit.

It is a nontrivial repunit in base 12206.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74499321 + 74499322.

It is an arithmetic number, because the mean of its divisors is an integer number (74499322).

Almost surely, 2^148998643 is an apocalyptic number.

148998643 is a deficient number, since it is larger than the sum of its proper divisors (1).

148998643 is an equidigital number, since it uses as much as digits as its factorization.

148998643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 52.

The square root of 148998643 is about 12206.5000307213. The cubic root of 148998643 is about 530.1443098193.

The spelling of 148998643 in words is "one hundred forty-eight million, nine hundred ninety-eight thousand, six hundred forty-three".