1142402523 has 8 divisors (see below), whose sum is σ = 1531713600. Its totient is φ = 757346568.

The previous prime is 1142402501. The next prime is 1142402537. The reversal of 1142402523 is 3252042411.

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

It is not a de Polignac number, because 1142402523 - 2⁸ = 1142402267 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142402493 and 1142402502.

It is not an unprimeable number, because it can be changed into a prime (1142402593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063153 + ... + 1064226.

It is an arithmetic number, because the mean of its divisors is an integer number (191464200).

Almost surely, 2^1142402523 is an apocalyptic number.

1142402523 is a deficient number, since it is larger than the sum of its proper divisors (389311077).

1142402523 is a wasteful number, since it uses less digits than its factorization.

1142402523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127561.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1142402523 is about 33799.4456019622. The cubic root of 1142402523 is about 1045.3772660097.

Adding to 1142402523 its reverse (3252042411), we get a palindrome (4394444934).

The spelling of 1142402523 in words is "one billion, one hundred forty-two million, four hundred two thousand, five hundred twenty-three".