148266187 has 4 divisors (see below), whose sum is σ = 148376016. Its totient is φ = 148156360.

The previous prime is 148266179. The next prime is 148266191. The reversal of 148266187 is 781662841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 781662841 = 461 ⋅1695581.

It is a cyclic number.

It is not a de Polignac number, because 148266187 - 2³ = 148266179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148266887) 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, 52864 + ... + 55597.

It is an arithmetic number, because the mean of its divisors is an integer number (37094004).

Almost surely, 2^148266187 is an apocalyptic number.

148266187 is a deficient number, since it is larger than the sum of its proper divisors (109829).

148266187 is a wasteful number, since it uses less digits than its factorization.

148266187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109828.

The product of its digits is 129024, while the sum is 43.

The square root of 148266187 is about 12176.4603641617. The cubic root of 148266187 is about 529.2741779308.

The spelling of 148266187 in words is "one hundred forty-eight million, two hundred sixty-six thousand, one hundred eighty-seven".