154655556451 has 32 divisors (see below), whose sum is σ = 183912871680. Its totient is φ = 128540131200.

The previous prime is 154655556371. The next prime is 154655556469.

154655556451 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 154655556451 - 2¹³ = 154655548259 is a prime.

It is a super-2 number, since 2×154655556451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154655556481) 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, 561256 + ... + 790138.

It is an arithmetic number, because the mean of its divisors is an integer number (5747277240).

Almost surely, 2^154655556451 is an apocalyptic number.

154655556451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

154655556451 is a deficient number, since it is larger than the sum of its proper divisors (29257315229).

154655556451 is a wasteful number, since it uses less digits than its factorization.

154655556451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229027.

The product of its digits is 9000000, while the sum is 52.

The spelling of 154655556451 in words is "one hundred fifty-four billion, six hundred fifty-five million, five hundred fifty-six thousand, four hundred fifty-one".