149191743043 has 8 divisors (see below), whose sum is σ = 170614229760. Its totient is φ = 127796601480.

The previous prime is 149191742971. The next prime is 149191743119. The reversal of 149191743043 is 340347191941.

It is a happy number.

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 149191743043 - 2²⁵ = 149158188611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149191742984 and 149191743002.

It is not an unprimeable number, because it can be changed into a prime (149191143043) 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, 6824593 + ... + 6846418.

It is an arithmetic number, because the mean of its divisors is an integer number (21326778720).

Almost surely, 2^149191743043 is an apocalyptic number.

149191743043 is a deficient number, since it is larger than the sum of its proper divisors (21422486717).

149191743043 is a wasteful number, since it uses less digits than its factorization.

149191743043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13672577.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 149191743043 in words is "one hundred forty-nine billion, one hundred ninety-one million, seven hundred forty-three thousand, forty-three".