154982289451 has 4 divisors (see below), whose sum is σ = 169071588504. Its totient is φ = 140892990400.

The previous prime is 154982289443. The next prime is 154982289461.

154982289451 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 154982289451 - 2³ = 154982289443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154982289431) 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, 7044649510 + ... + 7044649531.

It is an arithmetic number, because the mean of its divisors is an integer number (42267897126).

Almost surely, 2^154982289451 is an apocalyptic number.

154982289451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

154982289451 is a deficient number, since it is larger than the sum of its proper divisors (14089299053).

154982289451 is a wasteful number, since it uses less digits than its factorization.

154982289451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14089299052.

The product of its digits is 8294400, while the sum is 58.

The spelling of 154982289451 in words is "one hundred fifty-four billion, nine hundred eighty-two million, two hundred eighty-nine thousand, four hundred fifty-one".