145230225435253 has 4 divisors (see below), whose sum is σ = 165977400497440. Its totient is φ = 124483050373068.

The previous prime is 145230225435133. The next prime is 145230225435287. The reversal of 145230225435253 is 352534522032541.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 145230225435253 - 2⁹ = 145230225434741 is a prime.

It is a super-3 number, since 3×145230225435253³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145230225435653) 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, 10373587531083 + ... + 10373587531096.

It is an arithmetic number, because the mean of its divisors is an integer number (41494350124360).

Almost surely, 2^{145230225435253} is an apocalyptic number.

It is an amenable number.

145230225435253 is a deficient number, since it is larger than the sum of its proper divisors (20747175062187).

145230225435253 is an equidigital number, since it uses as much as digits as its factorization.

145230225435253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20747175062186.

The product of its (nonzero) digits is 4320000, while the sum is 46.

Adding to 145230225435253 its reverse (352534522032541), we get a palindrome (497764747467794).

The spelling of 145230225435253 in words is "one hundred forty-five trillion, two hundred thirty billion, two hundred twenty-five million, four hundred thirty-five thousand, two hundred fifty-three".