1401150143 has 4 divisors (see below), whose sum is σ = 1403036688. Its totient is φ = 1399263600.

The previous prime is 1401150131. The next prime is 1401150161. The reversal of 1401150143 is 3410511041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401150143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401150103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942158 + ... + 943643.

It is an arithmetic number, because the mean of its divisors is an integer number (350759172).

Almost surely, 2^1401150143 is an apocalyptic number.

1401150143 is a deficient number, since it is larger than the sum of its proper divisors (1886545).

1401150143 is an equidigital number, since it uses as much as digits as its factorization.

1401150143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886544.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1401150143 is about 37431.9401447480. The cubic root of 1401150143 is about 1118.9952040041.

Adding to 1401150143 its reverse (3410511041), we get a palindrome (4811661184).

The spelling of 1401150143 in words is "one billion, four hundred one million, one hundred fifty thousand, one hundred forty-three".