148843815807 has 4 divisors (see below), whose sum is σ = 198458421080. Its totient is φ = 99229210536.

The previous prime is 148843815781. The next prime is 148843815823. The reversal of 148843815807 is 708518348841.

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

It is not a de Polignac number, because 148843815807 - 2¹¹ = 148843813759 is a prime.

It is a super-2 number, since 2×148843815807² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148843815607) 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, 24807302632 + ... + 24807302637.

It is an arithmetic number, because the mean of its divisors is an integer number (49614605270).

Almost surely, 2^148843815807 is an apocalyptic number.

148843815807 is a deficient number, since it is larger than the sum of its proper divisors (49614605273).

148843815807 is an equidigital number, since it uses as much as digits as its factorization.

148843815807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49614605272.

The product of its (nonzero) digits is 6881280, while the sum is 57.

It can be divided in two parts, 1488438 and 15807, that added together give a triangular number (1504245 = T₁₇₃₄).

The spelling of 148843815807 in words is "one hundred forty-eight billion, eight hundred forty-three million, eight hundred fifteen thousand, eight hundred seven".