145564673661032 has 8 divisors (see below), whose sum is σ = 272933763114450. Its totient is φ = 72782336830512.

The previous prime is 145564673661031. The next prime is 145564673661137. The reversal of 145564673661032 is 230166376465541.

It can be written as a sum of positive squares in only one way, i.e., 143428264631716 + 2136409029316 = 11976154^2 + 1461646^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (145564673661031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9097792103807 + ... + 9097792103822.

Almost surely, 2^{145564673661032} is an apocalyptic number.

It is an amenable number.

145564673661032 is a deficient number, since it is larger than the sum of its proper divisors (127369089453418).

145564673661032 is a wasteful number, since it uses less digits than its factorization.

145564673661032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18195584207635 (or 18195584207631 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 59.

The spelling of 145564673661032 in words is "one hundred forty-five trillion, five hundred sixty-four billion, six hundred seventy-three million, six hundred sixty-one thousand, thirty-two".