1145131045 has 8 divisors (see below), whose sum is σ = 1446481440. Its totient is φ = 867888720.

The previous prime is 1145131037. The next prime is 1145131081. The reversal of 1145131045 is 5401315411.

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

It is not a de Polignac number, because 1145131045 - 2³ = 1145131037 is a prime.

It is a super-2 number, since 2×1145131045² = 2622650220445584050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6026911 + ... + 6027100.

It is an arithmetic number, because the mean of its divisors is an integer number (180810180).

Almost surely, 2^1145131045 is an apocalyptic number.

It is an amenable number.

1145131045 is a deficient number, since it is larger than the sum of its proper divisors (301350395).

1145131045 is a wasteful number, since it uses less digits than its factorization.

1145131045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12054035.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1145131045 is about 33839.7849431701. The cubic root of 1145131045 is about 1046.2088663649.

Adding to 1145131045 its reverse (5401315411), we get a palindrome (6546446456).

The spelling of 1145131045 in words is "one billion, one hundred forty-five million, one hundred thirty-one thousand, forty-five".