1101343545 has 12 divisors (see below), whose sum is σ = 1908995556. Its totient is φ = 587383200.

The previous prime is 1101343543. The next prime is 1101343547. The reversal of 1101343545 is 5453431011.

It is a happy number.

1101343545 is a `hidden beast` number, since 110 + 1 + 3 + 4 + 3 + 545 = 666.

It is an interprime number because it is at equal distance from previous prime (1101343543) and next prime (1101343547).

It can be written as a sum of positive squares in 2 ways, for example, as 241211961 + 860131584 = 15531^2 + 29328^2 .

It is not a de Polignac number, because 1101343545 - 2¹ = 1101343543 is a prime.

It is a super-2 number, since 2×1101343545² = 2425915208226334050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1101343543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12237106 + ... + 12237195.

It is an arithmetic number, because the mean of its divisors is an integer number (159082963).

Almost surely, 2^1101343545 is an apocalyptic number.

1101343545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1101343545 is a deficient number, since it is larger than the sum of its proper divisors (807652011).

1101343545 is a wasteful number, since it uses less digits than its factorization.

1101343545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24474312 (or 24474309 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1101343545 is about 33186.4964255042. The cubic root of 1101343545 is about 1032.7002216713.

Adding to 1101343545 its reverse (5453431011), we get a palindrome (6554774556).

The spelling of 1101343545 in words is "one billion, one hundred one million, three hundred forty-three thousand, five hundred forty-five".