1047154228149 has 4 divisors (see below), whose sum is σ = 1396205637536. Its totient is φ = 698102818764.

The previous prime is 1047154228147. The next prime is 1047154228193. The reversal of 1047154228149 is 9418224517401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1047154228149 - 2¹ = 1047154228147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1047154228098 and 1047154228107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047154228147) 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, 174525704689 + ... + 174525704694.

It is an arithmetic number, because the mean of its divisors is an integer number (349051409384).

Almost surely, 2^{1047154228149} is an apocalyptic number.

It is an amenable number.

1047154228149 is a deficient number, since it is larger than the sum of its proper divisors (349051409387).

1047154228149 is an equidigital number, since it uses as much as digits as its factorization.

1047154228149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349051409386.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 1047154228149 in words is "one trillion, forty-seven billion, one hundred fifty-four million, two hundred twenty-eight thousand, one hundred forty-nine".