145466651641 has 8 divisors (see below), whose sum is σ = 148869667584. Its totient is φ = 142064548080.

The previous prime is 145466651639. The next prime is 145466651647. The reversal of 145466651641 is 146156664541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145466651641 - 2¹ = 145466651639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145466651647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99960 + ... + 548566.

It is an arithmetic number, because the mean of its divisors is an integer number (18608708448).

Almost surely, 2^145466651641 is an apocalyptic number.

It is an amenable number.

145466651641 is a deficient number, since it is larger than the sum of its proper divisors (3403015943).

145466651641 is an equidigital number, since it uses as much as digits as its factorization.

145466651641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456191.

The product of its digits is 2073600, while the sum is 49.

The spelling of 145466651641 in words is "one hundred forty-five billion, four hundred sixty-six million, six hundred fifty-one thousand, six hundred forty-one".