145204056353 has 4 divisors (see below), whose sum is σ = 145539401028. Its totient is φ = 144868711680.

The previous prime is 145204056271. The next prime is 145204056373. The reversal of 145204056353 is 353650402541.

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 91042199824 + 54161856529 = 301732^2 + 232727^2 .

It is a cyclic number.

It is not a de Polignac number, because 145204056353 - 2¹⁶ = 145203990817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145204056373) 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, 167671688 + ... + 167672553.

It is an arithmetic number, because the mean of its divisors is an integer number (36384850257).

Almost surely, 2^145204056353 is an apocalyptic number.

It is an amenable number.

145204056353 is a deficient number, since it is larger than the sum of its proper divisors (335344675).

145204056353 is an equidigital number, since it uses as much as digits as its factorization.

145204056353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335344674.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 145204056353 its reverse (353650402541), we get a palindrome (498854458894).

The spelling of 145204056353 in words is "one hundred forty-five billion, two hundred four million, fifty-six thousand, three hundred fifty-three".