149144444493 has 8 divisors (see below), whose sum is σ = 216937373856. Its totient is φ = 90390572400.

The previous prime is 149144444461. The next prime is 149144444551. The reversal of 149144444493 is 394444441941.

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

It is not a de Polignac number, because 149144444493 - 2⁵ = 149144444461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149144444453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2259764278 + ... + 2259764343.

It is an arithmetic number, because the mean of its divisors is an integer number (27117171732).

Almost surely, 2^149144444493 is an apocalyptic number.

It is an amenable number.

149144444493 is a deficient number, since it is larger than the sum of its proper divisors (67792929363).

149144444493 is a wasteful number, since it uses less digits than its factorization.

149144444493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4519528635.

The product of its digits is 3981312, while the sum is 51.

The spelling of 149144444493 in words is "one hundred forty-nine billion, one hundred forty-four million, four hundred forty-four thousand, four hundred ninety-three".