145343105 has 4 divisors (see below), whose sum is σ = 174411732. Its totient is φ = 116274480.

The previous prime is 145343101. The next prime is 145343123. The reversal of 145343105 is 501343541.

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 40157569 + 105185536 = 6337^2 + 10256^2 .

It is not a de Polignac number, because 145343105 - 2² = 145343101 is a prime.

It is a super-2 number, since 2×145343105² = 42249236342082050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145343101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14534306 + ... + 14534315.

It is an arithmetic number, because the mean of its divisors is an integer number (43602933).

Almost surely, 2^145343105 is an apocalyptic number.

It is an amenable number.

145343105 is a deficient number, since it is larger than the sum of its proper divisors (29068627).

145343105 is an equidigital number, since it uses as much as digits as its factorization.

145343105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29068626.

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

The square root of 145343105 is about 12055.8328206723. The cubic root of 145343105 is about 525.7728360748.

Adding to 145343105 its reverse (501343541), we get a palindrome (646686646).

The spelling of 145343105 in words is "one hundred forty-five million, three hundred forty-three thousand, one hundred five".