148138433 has 2 divisors, whose sum is σ = 148138434. Its totient is φ = 148138432.

The previous prime is 148138427. The next prime is 148138451. The reversal of 148138433 is 334831841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126720049 + 21418384 = 11257^2 + 4628^2 .

It is a cyclic number.

It is not a de Polignac number, because 148138433 - 2⁶ = 148138369 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148138393 and 148138402.

It is not a weakly prime, because it can be changed into another prime (148138733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74069216 + 74069217.

It is an arithmetic number, because the mean of its divisors is an integer number (74069217).

Almost surely, 2^148138433 is an apocalyptic number.

It is an amenable number.

148138433 is a deficient number, since it is larger than the sum of its proper divisors (1).

148138433 is an equidigital number, since it uses as much as digits as its factorization.

148138433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The square root of 148138433 is about 12171.2132920264. The cubic root of 148138433 is about 529.1221173593.

The spelling of 148138433 in words is "one hundred forty-eight million, one hundred thirty-eight thousand, four hundred thirty-three".