145665306304 has 28 divisors (see below), whose sum is σ = 330348106384. Its totient is φ = 62427988224.

The previous prime is 145665306277. The next prime is 145665306317. The reversal of 145665306304 is 403603566541.

It is a tau number, because it is divible by the number of its divisors (28).

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, 162572439 + ... + 162573334.

Almost surely, 2^145665306304 is an apocalyptic number.

145665306304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145665306304 is an abundant number, since it is smaller than the sum of its proper divisors (184682800080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145665306304 is an equidigital number, since it uses as much as digits as its factorization.

145665306304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325145792 (or 325145782 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 145665306304 in words is "one hundred forty-five billion, six hundred sixty-five million, three hundred six thousand, three hundred four".