154542262245451 has 4 divisors (see below), whose sum is σ = 155351384037504. Its totient is φ = 153733140453400.

The previous prime is 154542262245443. The next prime is 154542262245517.

154542262245451 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 154542262245451 - 2³ = 154542262245443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154542562245451) 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, 404560895740 + ... + 404560896121.

It is an arithmetic number, because the mean of its divisors is an integer number (38837846009376).

Almost surely, 2^{154542262245451} is an apocalyptic number.

154542262245451 is a deficient number, since it is larger than the sum of its proper divisors (809121792053).

154542262245451 is an equidigital number, since it uses as much as digits as its factorization.

154542262245451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809121792052.

The product of its digits is 15360000, while the sum is 52.

The spelling of 154542262245451 in words is "one hundred fifty-four trillion, five hundred forty-two billion, two hundred sixty-two million, two hundred forty-five thousand, four hundred fifty-one".