148443865 has 8 divisors (see below), whose sum is σ = 187508160. Its totient is φ = 112504752.

The previous prime is 148443859. The next prime is 148443871. The reversal of 148443865 is 568344841.

It is an interprime number because it is at equal distance from previous prime (148443859) and next prime (148443871).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148443865 - 2³ = 148443857 is a prime.

It is a super-2 number, since 2×148443865² = 44071162112276450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781189 + ... + 781378.

It is an arithmetic number, because the mean of its divisors is an integer number (23438520).

Almost surely, 2^148443865 is an apocalyptic number.

It is an amenable number.

148443865 is a deficient number, since it is larger than the sum of its proper divisors (39064295).

148443865 is a wasteful number, since it uses less digits than its factorization.

148443865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562591.

The product of its digits is 368640, while the sum is 43.

The square root of 148443865 is about 12183.7541422995. The cubic root of 148443865 is about 529.4855159285.

The spelling of 148443865 in words is "one hundred forty-eight million, four hundred forty-three thousand, eight hundred sixty-five".