145790045 has 8 divisors (see below), whose sum is σ = 185239224. Its totient is φ = 109771264.

The previous prime is 145790039. The next prime is 145790083. The reversal of 145790045 is 540097541.

It can be written as a sum of positive squares in 4 ways, for example, as 43112356 + 102677689 = 6566^2 + 10133^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145790045 is a prime.

It is a super-2 number, since 2×145790045² = 42509474442204050, 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 = 145789987 and 145790014.

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, 857504 + ... + 857673.

It is an arithmetic number, because the mean of its divisors is an integer number (23154903).

Almost surely, 2^145790045 is an apocalyptic number.

It is an amenable number.

145790045 is a deficient number, since it is larger than the sum of its proper divisors (39449179).

145790045 is a wasteful number, since it uses less digits than its factorization.

145790045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715199.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 145790045 is about 12074.3548481896. The cubic root of 145790045 is about 526.3112137593.

The spelling of 145790045 in words is "one hundred forty-five million, seven hundred ninety thousand, forty-five".