145424045 has 8 divisors (see below), whose sum is σ = 187932696. Its totient is φ = 107390016.

The previous prime is 145424039. The next prime is 145424087. The reversal of 145424045 is 540424541.

It can be written as a sum of positive squares in 4 ways, for example, as 1087849 + 144336196 = 1043^2 + 12014^2 .

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 145424045 - 2⁴ = 145424029 is a prime.

It is a super-2 number, since 2×145424045² = 42296305728324050, 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 = 145423999 and 145424017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118582 + ... + 1118711.

It is an arithmetic number, because the mean of its divisors is an integer number (23491587).

Almost surely, 2^145424045 is an apocalyptic number.

It is an amenable number.

145424045 is a deficient number, since it is larger than the sum of its proper divisors (42508651).

145424045 is a wasteful number, since it uses less digits than its factorization.

145424045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237311.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 145424045 is about 12059.1892347703. The cubic root of 145424045 is about 525.8704170279.

Adding to 145424045 its reverse (540424541), we get a palindrome (685848586).

The spelling of 145424045 in words is "one hundred forty-five million, four hundred twenty-four thousand, forty-five".