148950905 has 4 divisors (see below), whose sum is σ = 178741092. Its totient is φ = 119160720.

The previous prime is 148950859. The next prime is 148950913. The reversal of 148950905 is 509059841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 509059841 = 149 ⋅3416509.

It can be written as a sum of positive squares in 2 ways, for example, as 101767744 + 47183161 = 10088^2 + 6869^2 .

It is not a de Polignac number, because 148950905 - 2¹⁰ = 148949881 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14895086 + ... + 14895095.

It is an arithmetic number, because the mean of its divisors is an integer number (44685273).

Almost surely, 2^148950905 is an apocalyptic number.

It is an amenable number.

148950905 is a deficient number, since it is larger than the sum of its proper divisors (29790187).

148950905 is an equidigital number, since it uses as much as digits as its factorization.

148950905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29790186.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 148950905 is about 12204.5444404943. The cubic root of 148950905 is about 530.0876857412.

The spelling of 148950905 in words is "one hundred forty-eight million, nine hundred fifty thousand, nine hundred five".