145232606561 has 8 divisors (see below), whose sum is σ = 165985389504. Its totient is φ = 124481140560.

The previous prime is 145232606531. The next prime is 145232606569. The reversal of 145232606561 is 165606232541.

It is a happy number.

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

It is not a de Polignac number, because 145232606561 - 2¹⁸ = 145232344417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145232606569) 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, 80375 + ... + 544908.

It is an arithmetic number, because the mean of its divisors is an integer number (20748173688).

Almost surely, 2^145232606561 is an apocalyptic number.

It is an amenable number.

145232606561 is a deficient number, since it is larger than the sum of its proper divisors (20752782943).

145232606561 is an equidigital number, since it uses as much as digits as its factorization.

145232606561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658471.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 145232606561 in words is "one hundred forty-five billion, two hundred thirty-two million, six hundred six thousand, five hundred sixty-one".