145340045 has 8 divisors (see below), whose sum is σ = 177699096. Its totient is φ = 114078016.

The previous prime is 145340023. The next prime is 145340051. The reversal of 145340045 is 540043541.

145340045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3396649 + 141943396 = 1843^2 + 11914^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145340045 - 2¹⁰ = 145339021 is a prime.

It is a super-2 number, since 2×145340045² = 42247457361204050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145339996 and 145340023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273962 + ... + 274491.

It is an arithmetic number, because the mean of its divisors is an integer number (22212387).

Almost surely, 2^145340045 is an apocalyptic number.

It is an amenable number.

145340045 is a deficient number, since it is larger than the sum of its proper divisors (32359051).

145340045 is an equidigital number, since it uses as much as digits as its factorization.

145340045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548511.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 145340045 is about 12055.7059104807. The cubic root of 145340045 is about 525.7691462399.

Adding to 145340045 its reverse (540043541), we get a palindrome (685383586).

The spelling of 145340045 in words is "one hundred forty-five million, three hundred forty thousand, forty-five".