154330242033451 has 48 divisors (see below), whose sum is σ = 173671789828320. Its totient is φ = 137011678848000.

The previous prime is 154330242033379. The next prime is 154330242033491.

154330242033451 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 154330242033451 - 2³¹ = 154328094549803 is a prime.

It is a super-2 number, since 2×154330242033451² (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 (154330242033491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 299193475 + ... + 299708851.

It is an arithmetic number, because the mean of its divisors is an integer number (3618162288090).

Almost surely, 2^{154330242033451} is an apocalyptic number.

154330242033451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

154330242033451 is a deficient number, since it is larger than the sum of its proper divisors (19341547794869).

154330242033451 is a wasteful number, since it uses less digits than its factorization.

154330242033451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515836 (or 515825 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 154330242033451 in words is "one hundred fifty-four trillion, three hundred thirty billion, two hundred forty-two million, thirty-three thousand, four hundred fifty-one".