145605346220 has 12 divisors (see below), whose sum is σ = 305771227104. Its totient is φ = 58242138480.

The previous prime is 145605346213. The next prime is 145605346247. The reversal of 145605346220 is 22643506541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3640133636 + ... + 3640133675.

It is an arithmetic number, because the mean of its divisors is an integer number (25480935592).

Almost surely, 2^145605346220 is an apocalyptic number.

145605346220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145605346220 is an abundant number, since it is smaller than the sum of its proper divisors (160165880884).

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

145605346220 is a wasteful number, since it uses less digits than its factorization.

145605346220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280267320 (or 7280267318 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 145605346220 in words is "one hundred forty-five billion, six hundred five million, three hundred forty-six thousand, two hundred twenty".