148970585 has 4 divisors (see below), whose sum is σ = 178764708. Its totient is φ = 119176464.

The previous prime is 148970581. The next prime is 148970587. The reversal of 148970585 is 585079841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 585079841 = 367 ⋅1594223.

It can be written as a sum of positive squares in 2 ways, for example, as 84842521 + 64128064 = 9211^2 + 8008^2 .

It is a cyclic number.

It is not a de Polignac number, because 148970585 - 2² = 148970581 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148970581) 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, 14897054 + ... + 14897063.

It is an arithmetic number, because the mean of its divisors is an integer number (44691177).

Almost surely, 2^148970585 is an apocalyptic number.

It is an amenable number.

148970585 is a deficient number, since it is larger than the sum of its proper divisors (29794123).

148970585 is an equidigital number, since it uses as much as digits as its factorization.

148970585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29794122.

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 148970585 is about 12205.3506709148. The cubic root of 148970585 is about 530.1110304942. Note that the first 3 decimals are identical.

The spelling of 148970585 in words is "one hundred forty-eight million, nine hundred seventy thousand, five hundred eighty-five".