154298380121 has 8 divisors (see below), whose sum is σ = 155843747400. Its totient is φ = 152755372800.

The previous prime is 154298380057. The next prime is 154298380147. The reversal of 154298380121 is 121083892451.

It can be written as a sum of positive squares in 4 ways, for example, as 32818945600 + 121479434521 = 181160^2 + 348539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 154298380121 - 2⁶ = 154298380057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154298380021) 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 7 ways as a sum of consecutive naturals, for example, 458426 + ... + 720243.

It is an arithmetic number, because the mean of its divisors is an integer number (19480468425).

Almost surely, 2^154298380121 is an apocalyptic number.

It is an amenable number.

154298380121 is a deficient number, since it is larger than the sum of its proper divisors (1545367279).

154298380121 is a wasteful number, since it uses less digits than its factorization.

154298380121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179979.

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 154298380121 in words is "one hundred fifty-four billion, two hundred ninety-eight million, three hundred eighty thousand, one hundred twenty-one".