145426562243 has 4 divisors (see below), whose sum is σ = 148973551608. Its totient is φ = 141879572880.

The previous prime is 145426562231. The next prime is 145426562261. The reversal of 145426562243 is 342265624541.

It is a happy number.

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 145426562243 - 2⁴ = 145426562227 is a prime.

It is a super-2 number, since 2×145426562243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145426562194 and 145426562203.

It is not an unprimeable number, because it can be changed into a prime (145426532243) 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, 1773494621 + ... + 1773494702.

It is an arithmetic number, because the mean of its divisors is an integer number (37243387902).

Almost surely, 2^145426562243 is an apocalyptic number.

145426562243 is a deficient number, since it is larger than the sum of its proper divisors (3546989365).

145426562243 is an equidigital number, since it uses as much as digits as its factorization.

145426562243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546989364.

The product of its digits is 1382400, while the sum is 44.

The spelling of 145426562243 in words is "one hundred forty-five billion, four hundred twenty-six million, five hundred sixty-two thousand, two hundred forty-three".