1402544243 has 8 divisors (see below), whose sum is σ = 1423268112. Its totient is φ = 1381948416.

The previous prime is 1402544233. The next prime is 1402544257. The reversal of 1402544243 is 3424452041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1402544243 - 2⁶ = 1402544179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402544233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9830 + ... + 53867.

It is an arithmetic number, because the mean of its divisors is an integer number (177908514).

Almost surely, 2^1402544243 is an apocalyptic number.

1402544243 is a deficient number, since it is larger than the sum of its proper divisors (20723869).

1402544243 is an equidigital number, since it uses as much as digits as its factorization.

1402544243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64021.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 1402544243 is about 37450.5573122751. The cubic root of 1402544243 is about 1119.3662025790.

Adding to 1402544243 its reverse (3424452041), we get a palindrome (4826996284).

The spelling of 1402544243 in words is "one billion, four hundred two million, five hundred forty-four thousand, two hundred forty-three".