154651145663 has 16 divisors (see below), whose sum is σ = 179685166080. Its totient is φ = 130353429600.

The previous prime is 154651145611. The next prime is 154651145731. The reversal of 154651145663 is 366541156451.

It is a cyclic number.

It is not a de Polignac number, because 154651145663 - 2²⁰ = 154650097087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154651145603) 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, 1811018 + ... + 1894488.

It is an arithmetic number, because the mean of its divisors is an integer number (11230322880).

Almost surely, 2^154651145663 is an apocalyptic number.

154651145663 is a deficient number, since it is larger than the sum of its proper divisors (25034020417).

154651145663 is an equidigital number, since it uses as much as digits as its factorization.

154651145663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87878.

The product of its digits is 1296000, while the sum is 47.

The spelling of 154651145663 in words is "one hundred fifty-four billion, six hundred fifty-one million, one hundred forty-five thousand, six hundred sixty-three".