144396475012 has 6 divisors (see below), whose sum is σ = 252693831278. Its totient is φ = 72198237504.

The previous prime is 144396475009. The next prime is 144396475031. The reversal of 144396475012 is 210574693441.

It can be written as a sum of positive squares in only one way, i.e., 120536729856 + 23859745156 = 347184^2 + 154466^2 .

It is a super-2 number, since 2×144396475012² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18049559373 + ... + 18049559380.

Almost surely, 2^144396475012 is an apocalyptic number.

It is an amenable number.

144396475012 is a deficient number, since it is larger than the sum of its proper divisors (108297356266).

144396475012 is a wasteful number, since it uses less digits than its factorization.

144396475012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36099118757 (or 36099118755 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 144396475012 in words is "one hundred forty-four billion, three hundred ninety-six million, four hundred seventy-five thousand, twelve".