145115605606 has 4 divisors (see below), whose sum is σ = 217673408412. Its totient is φ = 72557802802.

The previous prime is 145115605601. The next prime is 145115605631. The reversal of 145115605606 is 606506511541.

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

It is a super-2 number, since 2×145115605606² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145115605601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36278901400 + ... + 36278901403.

It is an arithmetic number, because the mean of its divisors is an integer number (54418352103).

Almost surely, 2^145115605606 is an apocalyptic number.

145115605606 is a deficient number, since it is larger than the sum of its proper divisors (72557802806).

145115605606 is an equidigital number, since it uses as much as digits as its factorization.

145115605606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72557802805.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 145115605606 in words is "one hundred forty-five billion, one hundred fifteen million, six hundred five thousand, six hundred six".