145640320162 has 16 divisors (see below), whose sum is σ = 218727519192. Its totient is φ = 72731197440.

The previous prime is 145640320073. The next prime is 145640320187. The reversal of 145640320162 is 261023046541.

145640320162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 122542703721 + 23097616441 = 350061^2 + 151979^2 .

It is a super-2 number, since 2×145640320162² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6884962 + ... + 6906082.

Almost surely, 2^145640320162 is an apocalyptic number.

145640320162 is a deficient number, since it is larger than the sum of its proper divisors (73087199030).

145640320162 is a wasteful number, since it uses less digits than its factorization.

145640320162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25173.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 145640320162 in words is "one hundred forty-five billion, six hundred forty million, three hundred twenty thousand, one hundred sixty-two".