154442262244451 has 32 divisors (see below), whose sum is σ = 165647909260800. Its totient is φ = 143575175980800.

The previous prime is 154442262244441. The next prime is 154442262244481.

154442262244451 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154442262244451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 154442262244451.

It is not an unprimeable number, because it can be changed into a prime (154442262244411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111606455 + ... + 112981791.

It is an arithmetic number, because the mean of its divisors is an integer number (5176497164400).

Almost surely, 2^{154442262244451} is an apocalyptic number.

154442262244451 is a deficient number, since it is larger than the sum of its proper divisors (11205647016349).

154442262244451 is a wasteful number, since it uses less digits than its factorization.

154442262244451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375979.

The product of its digits is 9830400, while the sum is 50.

The spelling of 154442262244451 in words is "one hundred fifty-four trillion, four hundred forty-two billion, two hundred sixty-two million, two hundred forty-four thousand, four hundred fifty-one".