7144556442 has 16 divisors (see below), whose sum is σ = 15129649152. Its totient is φ = 2241429440.

The previous prime is 7144556431. The next prime is 7144556513. The reversal of 7144556442 is 2446554417.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 7144556394 and 7144556403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35022234 + ... + 35022437.

It is an arithmetic number, because the mean of its divisors is an integer number (945603072).

Almost surely, 2^7144556442 is an apocalyptic number.

7144556442 is an abundant number, since it is smaller than the sum of its proper divisors (7985092710).

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

7144556442 is a wasteful number, since it uses less digits than its factorization.

7144556442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70044693.

The product of its digits is 537600, while the sum is 42.

The square root of 7144556442 is about 84525.4780643091. The cubic root of 7144556442 is about 1926.0094950948.

The spelling of 7144556442 in words is "seven billion, one hundred forty-four million, five hundred fifty-six thousand, four hundred forty-two".