154245147663 has 4 divisors (see below), whose sum is σ = 205660196888. Its totient is φ = 102830098440.

The previous prime is 154245147653. The next prime is 154245147671. The reversal of 154245147663 is 366741542451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366741542451 = 3 ⋅122247180817.

It is not a de Polignac number, because 154245147663 - 2⁹ = 154245147151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154245147653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25707524608 + ... + 25707524613.

It is an arithmetic number, because the mean of its divisors is an integer number (51415049222).

Almost surely, 2^154245147663 is an apocalyptic number.

154245147663 is a deficient number, since it is larger than the sum of its proper divisors (51415049225).

154245147663 is an equidigital number, since it uses as much as digits as its factorization.

154245147663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51415049224.

The product of its digits is 2419200, while the sum is 48.

The spelling of 154245147663 in words is "one hundred fifty-four billion, two hundred forty-five million, one hundred forty-seven thousand, six hundred sixty-three".