1401000144 has 40 divisors (see below), whose sum is σ = 3621628320. Its totient is φ = 466693248.

The previous prime is 1401000101. The next prime is 1401000163. The reversal of 1401000144 is 4410001041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71262 + ... + 88770.

It is an arithmetic number, because the mean of its divisors is an integer number (90540708).

Almost surely, 2^1401000144 is an apocalyptic number.

It is an amenable number.

1401000144 is an abundant number, since it is smaller than the sum of its proper divisors (2220628176).

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

1401000144 is a wasteful number, since it uses less digits than its factorization.

1401000144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19187 (or 19181 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1401000144 is about 37429.9364680198. The cubic root of 1401000144 is about 1118.9552715356.

Adding to 1401000144 its reverse (4410001041), we get a palindrome (5811001185).

The spelling of 1401000144 in words is "one billion, four hundred one million, one hundred forty-four", and thus it is an aban number.