145298845 has 8 divisors (see below), whose sum is σ = 180371160. Its totient is φ = 112230720.

The previous prime is 145298809. The next prime is 145298861. The reversal of 145298845 is 548892541.

It can be written as a sum of positive squares in 4 ways, for example, as 13439556 + 131859289 = 3666^2 + 11483^2 .

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

It is not a de Polignac number, because 145298845 - 2⁷ = 145298717 is a prime.

It is a super-2 number, since 2×145298845² = 42223508716668050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145298795 and 145298804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500886 + ... + 501175.

It is an arithmetic number, because the mean of its divisors is an integer number (22546395).

Almost surely, 2^145298845 is an apocalyptic number.

It is an amenable number.

145298845 is a deficient number, since it is larger than the sum of its proper divisors (35072315).

145298845 is a wasteful number, since it uses less digits than its factorization.

145298845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002095.

The product of its digits is 460800, while the sum is 46.

The square root of 145298845 is about 12053.9970549192. The cubic root of 145298845 is about 525.7194610666.

The spelling of 145298845 in words is "one hundred forty-five million, two hundred ninety-eight thousand, eight hundred forty-five".