149808551845 has 8 divisors (see below), whose sum is σ = 182453400864. Its totient is φ = 118058082384.

The previous prime is 149808551843. The next prime is 149808551909. The reversal of 149808551845 is 548155808941.

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 149808551845 - 2¹ = 149808551843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149808551845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149808551843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223594519 + ... + 223595188.

It is an arithmetic number, because the mean of its divisors is an integer number (22806675108).

Almost surely, 2^149808551845 is an apocalyptic number.

It is an amenable number.

149808551845 is a deficient number, since it is larger than the sum of its proper divisors (32644849019).

149808551845 is an equidigital number, since it uses as much as digits as its factorization.

149808551845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447189779.

The product of its (nonzero) digits is 9216000, while the sum is 58.

The spelling of 149808551845 in words is "one hundred forty-nine billion, eight hundred eight million, five hundred fifty-one thousand, eight hundred forty-five".