145240353 has 12 divisors (see below), whose sum is σ = 209935908. Its totient is φ = 96760320.

The previous prime is 145240343. The next prime is 145240357. The reversal of 145240353 is 353042541.

It can be written as a sum of positive squares in 2 ways, for example, as 58247424 + 86992929 = 7632^2 + 9327^2 .

It is not a de Polignac number, because 145240353 - 2⁵ = 145240321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145240357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10801 + ... + 20177.

It is an arithmetic number, because the mean of its divisors is an integer number (17494659).

Almost surely, 2^145240353 is an apocalyptic number.

It is an amenable number.

145240353 is a deficient number, since it is larger than the sum of its proper divisors (64695555).

145240353 is a wasteful number, since it uses less digits than its factorization.

145240353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11104 (or 11101 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 145240353 is about 12051.5705615492. The cubic root of 145240353 is about 525.6489064567.

Adding to 145240353 its reverse (353042541), we get a palindrome (498282894).

The spelling of 145240353 in words is "one hundred forty-five million, two hundred forty thousand, three hundred fifty-three".