149772495847 has 8 divisors (see below), whose sum is σ = 161304605280. Its totient is φ = 138241979040.

The previous prime is 149772495839. The next prime is 149772495869. The reversal of 149772495847 is 748594277941.

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 149772495847 - 2³ = 149772495839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149772495247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199147 + ... + 582412.

It is an arithmetic number, because the mean of its divisors is an integer number (20163075660).

Almost surely, 2^149772495847 is an apocalyptic number.

149772495847 is a deficient number, since it is larger than the sum of its proper divisors (11532109433).

149772495847 is a wasteful number, since it uses less digits than its factorization.

149772495847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796313.

The product of its digits is 142248960, while the sum is 67.

The spelling of 149772495847 in words is "one hundred forty-nine billion, seven hundred seventy-two million, four hundred ninety-five thousand, eight hundred forty-seven".