1145011605 has 16 divisors (see below), whose sum is σ = 1833197184. Its totient is φ = 610280000.

The previous prime is 1145011597. The next prime is 1145011607. The reversal of 1145011605 is 5061105411.

It is not a de Polignac number, because 1145011605 - 2³ = 1145011597 is a prime.

It is a super-2 number, since 2×1145011605² = 2622103151169352050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145011607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355 + ... + 47855.

It is an arithmetic number, because the mean of its divisors is an integer number (114574824).

Almost surely, 2^1145011605 is an apocalyptic number.

1145011605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1145011605 is a deficient number, since it is larger than the sum of its proper divisors (688185579).

1145011605 is a wasteful number, since it uses less digits than its factorization.

1145011605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49116.

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 1145011605 is about 33838.0201105207. The cubic root of 1145011605 is about 1046.1724910428.

The spelling of 1145011605 in words is "one billion, one hundred forty-five million, eleven thousand, six hundred five".