1401522527144 has 16 divisors (see below), whose sum is σ = 2663852749620. Its totient is φ = 691161793920.

The previous prime is 1401522527117. The next prime is 1401522527147. The reversal of 1401522527144 is 4417252251041.

It can be written as a sum of positive squares in 2 ways, for example, as 1374432659044 + 27089868100 = 1172362^2 + 164590^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1401522527098 and 1401522527107.

It is not an unprimeable number, because it can be changed into a prime (1401522527147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1199933087 + ... + 1199934254.

Almost surely, 2^{1401522527144} is an apocalyptic number.

It is an amenable number.

1401522527144 is a deficient number, since it is larger than the sum of its proper divisors (1262330222476).

1401522527144 is a wasteful number, since it uses less digits than its factorization.

1401522527144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399867420 (or 2399867416 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 38.

Adding to 1401522527144 its reverse (4417252251041), we get a palindrome (5818774778185).

The spelling of 1401522527144 in words is "one trillion, four hundred one billion, five hundred twenty-two million, five hundred twenty-seven thousand, one hundred forty-four".