154440041442 has 8 divisors (see below), whose sum is σ = 308880082896. Its totient is φ = 51480013812.

The previous prime is 154440041383. The next prime is 154440041461. The reversal of 154440041442 is 244140044451.

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

154440041442 is an admirable number.

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, 12870003448 + ... + 12870003459.

It is an arithmetic number, because the mean of its divisors is an integer number (38610010362).

Almost surely, 2^154440041442 is an apocalyptic number.

154440041442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154440041442 is a wasteful number, since it uses less digits than its factorization.

154440041442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25740006912.

The product of its (nonzero) digits is 40960, while the sum is 33.

Adding to 154440041442 its reverse (244140044451), we get a palindrome (398580085893).

The spelling of 154440041442 in words is "one hundred fifty-four billion, four hundred forty million, forty-one thousand, four hundred forty-two".