148710869 has 4 divisors (see below), whose sum is σ = 153838860. Its totient is φ = 143582880.

The previous prime is 148710833. The next prime is 148710889. The reversal of 148710869 is 968017841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 968017841 = 7 ⋅138288263.

It can be written as a sum of positive squares in 2 ways, for example, as 32890225 + 115820644 = 5735^2 + 10762^2 .

It is a cyclic number.

It is not a de Polignac number, because 148710869 - 2⁸ = 148710613 is a prime.

It is a super-2 number, since 2×148710869² = 44229845117470322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148710829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2563952 + ... + 2564009.

It is an arithmetic number, because the mean of its divisors is an integer number (38459715).

Almost surely, 2^148710869 is an apocalyptic number.

It is an amenable number.

148710869 is a deficient number, since it is larger than the sum of its proper divisors (5127991).

148710869 is an equidigital number, since it uses as much as digits as its factorization.

148710869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5127990.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 148710869 is about 12194.7065975365. The cubic root of 148710869 is about 529.8027852934.

The spelling of 148710869 in words is "one hundred forty-eight million, seven hundred ten thousand, eight hundred sixty-nine".