154442241419 has 16 divisors (see below), whose sum is σ = 158832482688. Its totient is φ = 150089174592.

The previous prime is 154442241413. The next prime is 154442241463. The reversal of 154442241419 is 914142244451.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154442241419 is a prime.

It is a super-2 number, since 2×154442241419² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154442241413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18610079 + ... + 18618375.

It is an arithmetic number, because the mean of its divisors is an integer number (9927030168).

Almost surely, 2^154442241419 is an apocalyptic number.

154442241419 is a deficient number, since it is larger than the sum of its proper divisors (4390241269).

154442241419 is a wasteful number, since it uses less digits than its factorization.

154442241419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10474.

The product of its digits is 184320, while the sum is 41.

The spelling of 154442241419 in words is "one hundred fifty-four billion, four hundred forty-two million, two hundred forty-one thousand, four hundred nineteen".