145245153 has 4 divisors (see below), whose sum is σ = 193660208. Its totient is φ = 96830100.

The previous prime is 145245151. The next prime is 145245167. The reversal of 145245153 is 351542541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 145245153 - 2¹ = 145245151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145245153.

It is not an unprimeable number, because it can be changed into a prime (145245151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24207523 + ... + 24207528.

It is an arithmetic number, because the mean of its divisors is an integer number (48415052).

Almost surely, 2^145245153 is an apocalyptic number.

It is an amenable number.

145245153 is a deficient number, since it is larger than the sum of its proper divisors (48415055).

145245153 is an equidigital number, since it uses as much as digits as its factorization.

145245153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48415054.

The product of its digits is 12000, while the sum is 30.

The square root of 145245153 is about 12051.7697040725. The cubic root of 145245153 is about 525.6546970581.

Adding to 145245153 its reverse (351542541), we get a palindrome (496787694).

The spelling of 145245153 in words is "one hundred forty-five million, two hundred forty-five thousand, one hundred fifty-three".