149752118947 has 4 divisors (see below), whose sum is σ = 151234813296. Its totient is φ = 148269424600.

The previous prime is 149752118933. The next prime is 149752118969. The reversal of 149752118947 is 749811257941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749811257941 = 101 ⋅7423873841.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149752118947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149752118891 and 149752118900.

It is not an unprimeable number, because it can be changed into a prime (149752118917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741347023 + ... + 741347224.

It is an arithmetic number, because the mean of its divisors is an integer number (37808703324).

Almost surely, 2^149752118947 is an apocalyptic number.

149752118947 is a deficient number, since it is larger than the sum of its proper divisors (1482694349).

149752118947 is a wasteful number, since it uses less digits than its factorization.

149752118947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482694348.

The product of its digits is 5080320, while the sum is 58.

The spelling of 149752118947 in words is "one hundred forty-nine billion, seven hundred fifty-two million, one hundred eighteen thousand, nine hundred forty-seven".