148451836187 has 4 divisors (see below), whose sum is σ = 148477530120. Its totient is φ = 148426142256.

The previous prime is 148451836153. The next prime is 148451836231. The reversal of 148451836187 is 781638154841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148451836187 - 2¹⁰ = 148451835163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148451836147) 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, 12838298 + ... + 12849855.

It is an arithmetic number, because the mean of its divisors is an integer number (37119382530).

Almost surely, 2^148451836187 is an apocalyptic number.

148451836187 is a deficient number, since it is larger than the sum of its proper divisors (25693933).

148451836187 is an equidigital number, since it uses as much as digits as its factorization.

148451836187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25693932.

The product of its digits is 5160960, while the sum is 56.

The spelling of 148451836187 in words is "one hundred forty-eight billion, four hundred fifty-one million, eight hundred thirty-six thousand, one hundred eighty-seven".