145642563045044 has 36 divisors (see below), whose sum is σ = 276158608176780. Its totient is φ = 67178175966720.

The previous prime is 145642563045041. The next prime is 145642563045047. The reversal of 145642563045044 is 440540365246541.

It is an interprime number because it is at equal distance from previous prime (145642563045041) and next prime (145642563045047).

It can be written as a sum of positive squares in 6 ways, for example, as 6667653552400 + 138974909492644 = 2582180^2 + 11788762^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145642563045041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65359349 + ... + 67550940.

It is an arithmetic number, because the mean of its divisors is an integer number (7671072449355).

Almost surely, 2^{145642563045044} is an apocalyptic number.

It is an amenable number.

145642563045044 is a deficient number, since it is larger than the sum of its proper divisors (130516045131736).

145642563045044 is a wasteful number, since it uses less digits than its factorization.

145642563045044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132911940 (or 132911925 counting only the distinct ones).

The product of its (nonzero) digits is 27648000, while the sum is 53.

The spelling of 145642563045044 in words is "one hundred forty-five trillion, six hundred forty-two billion, five hundred sixty-three million, forty-five thousand, forty-four".