145244353 has 4 divisors (see below), whose sum is σ = 146576980. Its totient is φ = 143911728.

The previous prime is 145244339. The next prime is 145244369. The reversal of 145244353 is 353442541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75220929 + 70023424 = 8673^2 + 8368^2 .

It is a cyclic number.

It is not a de Polignac number, because 145244353 - 2⁹ = 145243841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145244453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666150 + ... + 666367.

It is an arithmetic number, because the mean of its divisors is an integer number (36644245).

Almost surely, 2^145244353 is an apocalyptic number.

It is an amenable number.

145244353 is a deficient number, since it is larger than the sum of its proper divisors (1332627).

145244353 is a wasteful number, since it uses less digits than its factorization.

145244353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332626.

The product of its digits is 28800, while the sum is 31.

The square root of 145244353 is about 12051.7365138805. The cubic root of 145244353 is about 525.6537319667.

Adding to 145244353 its reverse (353442541), we get a palindrome (498686894).

The spelling of 145244353 in words is "one hundred forty-five million, two hundred forty-four thousand, three hundred fifty-three".