149343274043 has 4 divisors (see below), whose sum is σ = 152520790560. Its totient is φ = 146165757528.

The previous prime is 149343274033. The next prime is 149343274049. The reversal of 149343274043 is 340472343941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340472343941 = 43 ⋅7917961487.

It is a cyclic number.

It is not a de Polignac number, because 149343274043 - 2¹⁶ = 149343208507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149343273985 and 149343274003.

It is not an unprimeable number, because it can be changed into a prime (149343274049) 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 3 ways as a sum of consecutive naturals, for example, 1588758188 + ... + 1588758281.

It is an arithmetic number, because the mean of its divisors is an integer number (38130197640).

Almost surely, 2^149343274043 is an apocalyptic number.

149343274043 is a deficient number, since it is larger than the sum of its proper divisors (3177516517).

149343274043 is an equidigital number, since it uses as much as digits as its factorization.

149343274043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177516516.

The product of its (nonzero) digits is 870912, while the sum is 44.

The spelling of 149343274043 in words is "one hundred forty-nine billion, three hundred forty-three million, two hundred seventy-four thousand, forty-three".