145405433202253 has 8 divisors (see below), whose sum is σ = 166199657038272. Its totient is φ = 124616714139456.

The previous prime is 145405433202209. The next prime is 145405433202299. The reversal of 145405433202253 is 352202334504541.

145405433202253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145405433202253 - 2¹³ = 145405433194061 is a prime.

It is a super-2 number, since 2×145405433202253² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145405433242253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1376136700 + ... + 1376242357.

It is an arithmetic number, because the mean of its divisors is an integer number (20774957129784).

Almost surely, 2^{145405433202253} is an apocalyptic number.

It is an amenable number.

145405433202253 is a deficient number, since it is larger than the sum of its proper divisors (20794223836019).

145405433202253 is an equidigital number, since it uses as much as digits as its factorization.

145405433202253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752386611.

The product of its (nonzero) digits is 1728000, while the sum is 43.

Adding to 145405433202253 its reverse (352202334504541), we get a palindrome (497607767706794).

The spelling of 145405433202253 in words is "one hundred forty-five trillion, four hundred five billion, four hundred thirty-three million, two hundred two thousand, two hundred fifty-three".