145633040620651 has 64 divisors (see below), whose sum is σ = 161277690470400. Its totient is φ = 131145930316800.

The previous prime is 145633040620637. The next prime is 145633040620741. The reversal of 145633040620651 is 156026040336541.

It is not a de Polignac number, because 145633040620651 - 2⁵ = 145633040620619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145633040020651) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 646510221 + ... + 646735441.

It is an arithmetic number, because the mean of its divisors is an integer number (2519963913600).

Almost surely, 2^{145633040620651} is an apocalyptic number.

145633040620651 is a deficient number, since it is larger than the sum of its proper divisors (15644649849749).

145633040620651 is a wasteful number, since it uses less digits than its factorization.

145633040620651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225580.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 145633040620651 in words is "one hundred forty-five trillion, six hundred thirty-three billion, forty million, six hundred twenty thousand, six hundred fifty-one".