1145655105 has 32 divisors (see below), whose sum is σ = 2096388864. Its totient is φ = 523358976.

The previous prime is 1145655083. The next prime is 1145655107. The reversal of 1145655105 is 5015565411.

It is not a de Polignac number, because 1145655105 - 2¹² = 1145651009 is a prime.

It is a super-2 number, since 2×1145655105² = 2625051239225122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145655107) 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, 194179 + ... + 199991.

It is an arithmetic number, because the mean of its divisors is an integer number (65512152).

Almost surely, 2^1145655105 is an apocalyptic number.

1145655105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1145655105 is a deficient number, since it is larger than the sum of its proper divisors (950733759).

1145655105 is a wasteful number, since it uses less digits than its factorization.

1145655105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7705.

The product of its (nonzero) digits is 15000, while the sum is 33.

The square root of 1145655105 is about 33847.5273099823. The cubic root of 1145655105 is about 1046.3684383790.

The spelling of 1145655105 in words is "one billion, one hundred forty-five million, six hundred fifty-five thousand, one hundred five".