154421142002 has 8 divisors (see below), whose sum is σ = 234894131712. Its totient is φ = 76123098100.

The previous prime is 154421141989. The next prime is 154421142037. The reversal of 154421142002 is 200241124451.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543736274 + ... + 543736557.

It is an arithmetic number, because the mean of its divisors is an integer number (29361766464).

Almost surely, 2^154421142002 is an apocalyptic number.

154421142002 is a deficient number, since it is larger than the sum of its proper divisors (80472989710).

154421142002 is a wasteful number, since it uses less digits than its factorization.

154421142002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087472904.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 154421142002 its reverse (200241124451), we get a palindrome (354662266453).

The spelling of 154421142002 in words is "one hundred fifty-four billion, four hundred twenty-one million, one hundred forty-two thousand, two".