148332986 has 4 divisors (see below), whose sum is σ = 222499482. Its totient is φ = 74166492.

The previous prime is 148332971. The next prime is 148332991. The reversal of 148332986 is 689233841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 689233841 = 79 ⋅8724479.

It can be written as a sum of positive squares in only one way, i.e., 127803025 + 20529961 = 11305^2 + 4531^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37083245 + ... + 37083248.

Almost surely, 2^148332986 is an apocalyptic number.

148332986 is a deficient number, since it is larger than the sum of its proper divisors (74166496).

148332986 is an equidigital number, since it uses as much as digits as its factorization.

148332986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74166495.

The product of its digits is 248832, while the sum is 44.

The square root of 148332986 is about 12179.2030116917. The cubic root of 148332986 is about 529.3536513839.

The spelling of 148332986 in words is "one hundred forty-eight million, three hundred thirty-two thousand, nine hundred eighty-six".