1142522605 has 32 divisors (see below), whose sum is σ = 1621202688. Its totient is φ = 756672000.

The previous prime is 1142522543. The next prime is 1142522627. The reversal of 1142522605 is 5062252411.

It is not a de Polignac number, because 1142522605 - 2⁹ = 1142522093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140994 + ... + 148876.

It is an arithmetic number, because the mean of its divisors is an integer number (50662584).

Almost surely, 2^1142522605 is an apocalyptic number.

It is an amenable number.

1142522605 is a deficient number, since it is larger than the sum of its proper divisors (478680083).

1142522605 is a wasteful number, since it uses less digits than its factorization.

1142522605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8037.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1142522605 is about 33801.2219453676. The cubic root of 1142522605 is about 1045.4138925030.

The spelling of 1142522605 in words is "one billion, one hundred forty-two million, five hundred twenty-two thousand, six hundred five".