1154144530545 has 8 divisors (see below), whose sum is σ = 1846631248896. Its totient is φ = 615543749616.

The previous prime is 1154144530459. The next prime is 1154144530547. The reversal of 1154144530545 is 5450354414511.

It is a happy number.

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

It is not a de Polignac number, because 1154144530545 - 2⁷ = 1154144530417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1154144530497 and 1154144530506.

It is not an unprimeable number, because it can be changed into a prime (1154144530547) 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, 38471484337 + ... + 38471484366.

It is an arithmetic number, because the mean of its divisors is an integer number (230828906112).

Almost surely, 2^{1154144530545} is an apocalyptic number.

1154144530545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1154144530545 is a deficient number, since it is larger than the sum of its proper divisors (692486718351).

1154144530545 is an equidigital number, since it uses as much as digits as its factorization.

1154144530545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76942968711.

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 1154144530545 in words is "one trillion, one hundred fifty-four billion, one hundred forty-four million, five hundred thirty thousand, five hundred forty-five".