7144978101 has 16 divisors (see below), whose sum is σ = 10029834240. Its totient is φ = 4511810160.

The previous prime is 7144978091. The next prime is 7144978103. The reversal of 7144978101 is 1018794417.

It is not a de Polignac number, because 7144978101 - 2⁵ = 7144978069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7144978103) 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, 594316 + ... + 606218.

It is an arithmetic number, because the mean of its divisors is an integer number (626864640).

Almost surely, 2^7144978101 is an apocalyptic number.

It is an amenable number.

7144978101 is a deficient number, since it is larger than the sum of its proper divisors (2884856139).

7144978101 is a wasteful number, since it uses less digits than its factorization.

7144978101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22456.

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 7144978101 is about 84527.9722991153. The cubic root of 7144978101 is about 1926.0473842331.

The spelling of 7144978101 in words is "seven billion, one hundred forty-four million, nine hundred seventy-eight thousand, one hundred one".