154550501051 has 4 divisors (see below), whose sum is σ = 157838809632. Its totient is φ = 151262192472.

The previous prime is 154550501047. The next prime is 154550501087. The reversal of 154550501051 is 150105055451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150105055451 = 13 ⋅11546542727.

It is a cyclic number.

It is not a de Polignac number, because 154550501051 - 2² = 154550501047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154550500999 and 154550501017.

It is not an unprimeable number, because it can be changed into a prime (154550501951) 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, 1644154220 + ... + 1644154313.

It is an arithmetic number, because the mean of its divisors is an integer number (39459702408).

Almost surely, 2^154550501051 is an apocalyptic number.

154550501051 is a deficient number, since it is larger than the sum of its proper divisors (3288308581).

154550501051 is an equidigital number, since it uses as much as digits as its factorization.

154550501051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288308580.

The product of its (nonzero) digits is 12500, while the sum is 32.

The spelling of 154550501051 in words is "one hundred fifty-four billion, five hundred fifty million, five hundred one thousand, fifty-one".