145561006751641 has 16 divisors (see below), whose sum is σ = 159186960253440. Its totient is φ = 132287310671040.

The previous prime is 145561006751617. The next prime is 145561006751653. The reversal of 145561006751641 is 146157600165541.

It is a cyclic number.

It is not a de Polignac number, because 145561006751641 - 2¹⁵ = 145561006718873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145561006751681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109005510 + ... + 110332783.

It is an arithmetic number, because the mean of its divisors is an integer number (9949185015840).

Almost surely, 2^{145561006751641} is an apocalyptic number.

It is an amenable number.

145561006751641 is a deficient number, since it is larger than the sum of its proper divisors (13625953501799).

145561006751641 is a wasteful number, since it uses less digits than its factorization.

145561006751641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219339096.

The product of its (nonzero) digits is 3024000, while the sum is 52.

The spelling of 145561006751641 in words is "one hundred forty-five trillion, five hundred sixty-one billion, six million, seven hundred fifty-one thousand, six hundred forty-one".