1154544045 has 32 divisors (see below), whose sum is σ = 1879200000. Its totient is φ = 605197824.

The previous prime is 1154544043. The next prime is 1154544047. The reversal of 1154544045 is 5404454511.

It is an interprime number because it is at equal distance from previous prime (1154544043) and next prime (1154544047).

It is not a de Polignac number, because 1154544045 - 2¹ = 1154544043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1154543997 and 1154544015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154544043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228456 + ... + 233454.

It is an arithmetic number, because the mean of its divisors is an integer number (58725000).

Almost surely, 2^1154544045 is an apocalyptic number.

1154544045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1154544045 is a deficient number, since it is larger than the sum of its proper divisors (724655955).

1154544045 is a wasteful number, since it uses less digits than its factorization.

1154544045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5269.

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 1154544045 is about 33978.5821511140. The cubic root of 1154544045 is about 1049.0676667234.

Adding to 1154544045 its reverse (5404454511), we get a palindrome (6558998556).

The spelling of 1154544045 in words is "one billion, one hundred fifty-four million, five hundred forty-four thousand, forty-five".