145534223566 has 8 divisors (see below), whose sum is σ = 218324555064. Its totient is φ = 72759371880.

The previous prime is 145534223537. The next prime is 145534223669. The reversal of 145534223566 is 665322435541.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3846420 + ... + 3884071.

It is an arithmetic number, because the mean of its divisors is an integer number (27290569383).

Almost surely, 2^145534223566 is an apocalyptic number.

145534223566 is a deficient number, since it is larger than the sum of its proper divisors (72790331498).

145534223566 is an equidigital number, since it uses as much as digits as its factorization.

145534223566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7739906.

The product of its digits is 2592000, while the sum is 46.

The spelling of 145534223566 in words is "one hundred forty-five billion, five hundred thirty-four million, two hundred twenty-three thousand, five hundred sixty-six".