144170520442 has 32 divisors (see below), whose sum is σ = 233382316608. Its totient is φ = 66399989376.

The previous prime is 144170520427. The next prime is 144170520491. The reversal of 144170520442 is 244025071441.

It is a junction number, because it is equal to n+sod(n) for n = 144170520398 and 144170520407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28814313 + ... + 28819315.

It is an arithmetic number, because the mean of its divisors is an integer number (7293197394).

Almost surely, 2^144170520442 is an apocalyptic number.

144170520442 is a deficient number, since it is larger than the sum of its proper divisors (89211796166).

144170520442 is a wasteful number, since it uses less digits than its factorization.

144170520442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134.

The product of its (nonzero) digits is 35840, while the sum is 34.

Adding to 144170520442 its reverse (244025071441), we get a palindrome (388195591883).

The spelling of 144170520442 in words is "one hundred forty-four billion, one hundred seventy million, five hundred twenty thousand, four hundred forty-two".