148939801 has 2 divisors, whose sum is σ = 148939802. Its totient is φ = 148939800.

The previous prime is 148939741. The next prime is 148939823. The reversal of 148939801 is 108939841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147987225 + 952576 = 12165^2 + 976^2 .

It is a cyclic number.

It is not a de Polignac number, because 148939801 - 2⁷ = 148939673 is a prime.

It is not a weakly prime, because it can be changed into another prime (148939871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74469900 + 74469901.

It is an arithmetic number, because the mean of its divisors is an integer number (74469901).

Almost surely, 2^148939801 is an apocalyptic number.

It is an amenable number.

148939801 is a deficient number, since it is larger than the sum of its proper divisors (1).

148939801 is an equidigital number, since it uses as much as digits as its factorization.

148939801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 148939801 is about 12204.0895195012. The cubic root of 148939801 is about 530.0745130789.

The spelling of 148939801 in words is "one hundred forty-eight million, nine hundred thirty-nine thousand, eight hundred one".