145234253434403 has 4 divisors (see below), whose sum is σ = 165982003925040. Its totient is φ = 124486502943768.

The previous prime is 145234253434399. The next prime is 145234253434429. The reversal of 145234253434403 is 304434352432541.

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

It is not a de Polignac number, because 145234253434403 - 2² = 145234253434399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145234253434453) 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, 10373875245308 + ... + 10373875245321.

It is an arithmetic number, because the mean of its divisors is an integer number (41495500981260).

Almost surely, 2^{145234253434403} is an apocalyptic number.

145234253434403 is a deficient number, since it is larger than the sum of its proper divisors (20747750490637).

145234253434403 is an equidigital number, since it uses as much as digits as its factorization.

145234253434403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20747750490636.

The product of its (nonzero) digits is 8294400, while the sum is 47.

The spelling of 145234253434403 in words is "one hundred forty-five trillion, two hundred thirty-four billion, two hundred fifty-three million, four hundred thirty-four thousand, four hundred three".