1142625541 has 4 divisors (see below), whose sum is σ = 1169198272. Its totient is φ = 1116052812.

The previous prime is 1142625511. The next prime is 1142625551. The reversal of 1142625541 is 1455262411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1142625541 - 2⁵ = 1142625509 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 (1142625511) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13286301 + ... + 13286386.

It is an arithmetic number, because the mean of its divisors is an integer number (292299568).

Almost surely, 2^1142625541 is an apocalyptic number.

It is an amenable number.

1142625541 is a deficient number, since it is larger than the sum of its proper divisors (26572731).

1142625541 is an equidigital number, since it uses as much as digits as its factorization.

1142625541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26572730.

The product of its digits is 9600, while the sum is 31.

The square root of 1142625541 is about 33802.7445779185. The cubic root of 1142625541 is about 1045.4452872116.

Adding to 1142625541 its reverse (1455262411), we get a palindrome (2597887952).

The spelling of 1142625541 in words is "one billion, one hundred forty-two million, six hundred twenty-five thousand, five hundred forty-one".