154432545234451 has 6 divisors (see below), whose sum is σ = 169748169555356. Its totient is φ = 140393222940300.

The previous prime is 154432545234439. The next prime is 154432545234551.

It is a happy number.

154432545234451 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 154432545234451 - 2⁷ = 154432545234323 is a prime.

It is a super-2 number, since 2×154432545234451² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154432545234551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 638151013245 + ... + 638151013486.

Almost surely, 2^{154432545234451} is an apocalyptic number.

154432545234451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

154432545234451 is a deficient number, since it is larger than the sum of its proper divisors (15315624320905).

154432545234451 is a wasteful number, since it uses less digits than its factorization.

154432545234451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276302026753 (or 1276302026742 counting only the distinct ones).

The product of its digits is 23040000, while the sum is 52.

The spelling of 154432545234451 in words is "one hundred fifty-four trillion, four hundred thirty-two billion, five hundred forty-five million, two hundred thirty-four thousand, four hundred fifty-one".