1403143542 has 24 divisors (see below), whose sum is σ = 3041139816. Its totient is φ = 467561376.

The previous prime is 1403143541. The next prime is 1403143549. The reversal of 1403143542 is 2453413041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403143541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52858 + ... + 74834.

It is an arithmetic number, because the mean of its divisors is an integer number (126714159).

Almost surely, 2^1403143542 is an apocalyptic number.

1403143542 is an abundant number, since it is smaller than the sum of its proper divisors (1637996274).

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

1403143542 is a wasteful number, since it uses less digits than its factorization.

1403143542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25532 (or 25529 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1403143542 is about 37458.5576604332. The cubic root of 1403143542 is about 1119.5256127661.

Adding to 1403143542 its reverse (2453413041), we get a palindrome (3856556583).

The spelling of 1403143542 in words is "one billion, four hundred three million, one hundred forty-three thousand, five hundred forty-two".