1145144005 has 8 divisors (see below), whose sum is σ = 1374746400. Its totient is φ = 915732816.

The previous prime is 1145143957. The next prime is 1145144017. The reversal of 1145144005 is 5004415411.

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

It is a cyclic number.

It is not a de Polignac number, because 1145144005 - 2¹³ = 1145135813 is a prime.

It is a super-2 number, since 2×1145144005² = 2622709584374880050, 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, 34275 + ... + 58864.

It is an arithmetic number, because the mean of its divisors is an integer number (171843300).

Almost surely, 2^1145144005 is an apocalyptic number.

It is an amenable number.

1145144005 is a deficient number, since it is larger than the sum of its proper divisors (229602395).

1145144005 is an equidigital number, since it uses as much as digits as its factorization.

1145144005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95603.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1145144005 is about 33839.9764332069. The cubic root of 1145144005 is about 1046.2128131667.

Adding to 1145144005 its reverse (5004415411), we get a palindrome (6149559416).

The spelling of 1145144005 in words is "one billion, one hundred forty-five million, one hundred forty-four thousand, five".