145073338 has 16 divisors (see below), whose sum is σ = 222031080. Its totient is φ = 71076096.

The previous prime is 145073333. The next prime is 145073339. The reversal of 145073338 is 833370541.

It can be written as a sum of positive squares in 4 ways, for example, as 130119649 + 14953689 = 11407^2 + 3867^2 .

It is not an unprimeable number, because it can be changed into a prime (145073333) by changing a digit.

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, 19758 + ... + 26086.

Almost surely, 2^145073338 is an apocalyptic number.

145073338 is a deficient number, since it is larger than the sum of its proper divisors (76957742).

145073338 is a wasteful number, since it uses less digits than its factorization.

145073338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 145073338 is about 12044.6393885413. The cubic root of 145073338 is about 525.4473441892.

The spelling of 145073338 in words is "one hundred forty-five million, seventy-three thousand, three hundred thirty-eight".