1001343545 has 4 divisors (see below), whose sum is σ = 1201612260. Its totient is φ = 801074832.

The previous prime is 1001343481. The next prime is 1001343569. The reversal of 1001343545 is 5453431001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 281601961 + 719741584 = 16781^2 + 26828^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001343545 - 2⁶ = 1001343481 is a prime.

It is a super-2 number, since 2×1001343545² = 2005377790226334050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100134350 + ... + 100134359.

It is an arithmetic number, because the mean of its divisors is an integer number (300403065).

Almost surely, 2^1001343545 is an apocalyptic number.

It is an amenable number.

1001343545 is a deficient number, since it is larger than the sum of its proper divisors (200268715).

1001343545 is an equidigital number, since it uses as much as digits as its factorization.

1001343545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200268714.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1001343545 is about 31644.0127828314. The cubic root of 1001343545 is about 1000.4476479148.

Adding to 1001343545 its reverse (5453431001), we get a palindrome (6454774546).

The spelling of 1001343545 in words is "one billion, one million, three hundred forty-three thousand, five hundred forty-five".