148440599 has 2 divisors, whose sum is σ = 148440600. Its totient is φ = 148440598.

The previous prime is 148440587. The next prime is 148440629. The reversal of 148440599 is 995044841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148440599 - 2¹⁶ = 148375063 is a prime.

It is a super-2 number, since 2×148440599² = 44069222862957602, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148440569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74220299 + 74220300.

It is an arithmetic number, because the mean of its divisors is an integer number (74220300).

Almost surely, 2^148440599 is an apocalyptic number.

148440599 is a deficient number, since it is larger than the sum of its proper divisors (1).

148440599 is an equidigital number, since it uses as much as digits as its factorization.

148440599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 148440599 is about 12183.6201106239. The cubic root of 148440599 is about 529.4816327269.

The spelling of 148440599 in words is "one hundred forty-eight million, four hundred forty thousand, five hundred ninety-nine".