148790641 has 2 divisors, whose sum is σ = 148790642. Its totient is φ = 148790640.

The previous prime is 148790639. The next prime is 148790687. The reversal of 148790641 is 146097841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79834225 + 68956416 = 8935^2 + 8304^2 .

It is an emirp because it is prime and its reverse (146097841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148790641 - 2¹ = 148790639 is a prime.

Together with 148790639, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148790594 and 148790603.

It is not a weakly prime, because it can be changed into another prime (148790441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74395320 + 74395321.

It is an arithmetic number, because the mean of its divisors is an integer number (74395321).

Almost surely, 2^148790641 is an apocalyptic number.

It is an amenable number.

148790641 is a deficient number, since it is larger than the sum of its proper divisors (1).

148790641 is an equidigital number, since it uses as much as digits as its factorization.

148790641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 148790641 is about 12197.9769224245. The cubic root of 148790641 is about 529.8975012419.

The spelling of 148790641 in words is "one hundred forty-eight million, seven hundred ninety thousand, six hundred forty-one".