145356443 has 4 divisors (see below), whose sum is σ = 153906840. Its totient is φ = 136806048.

The previous prime is 145356401. The next prime is 145356467. The reversal of 145356443 is 344653541.

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

It is a cyclic number.

It is not a de Polignac number, because 145356443 - 2²⁶ = 78247579 is a prime.

It is a super-2 number, since 2×145356443² = 42256991043224498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145356493) 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, 4275173 + ... + 4275206.

It is an arithmetic number, because the mean of its divisors is an integer number (38476710).

Almost surely, 2^145356443 is an apocalyptic number.

145356443 is a deficient number, since it is larger than the sum of its proper divisors (8550397).

145356443 is an equidigital number, since it uses as much as digits as its factorization.

145356443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8550396.

The product of its digits is 86400, while the sum is 35.

The square root of 145356443 is about 12056.3859841994. The cubic root of 145356443 is about 525.7889188090.

The spelling of 145356443 in words is "one hundred forty-five million, three hundred fifty-six thousand, four hundred forty-three".