1145622064 has 20 divisors (see below), whose sum is σ = 2226239704. Its totient is φ = 571108608.

The previous prime is 1145622059. The next prime is 1145622077. The reversal of 1145622064 is 4602265411.

It is a happy number.

It is an unprimeable number.

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, 100842 + ... + 111625.

Almost surely, 2^1145622064 is an apocalyptic number.

It is an amenable number.

1145622064 is a deficient number, since it is larger than the sum of its proper divisors (1080617640).

1145622064 is a wasteful number, since it uses less digits than its factorization.

1145622064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212812 (or 212806 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1145622064 is about 33847.0392205877. The cubic root of 1145622064 is about 1046.3583791003.

Adding to 1145622064 its reverse (4602265411), we get a palindrome (5747887475).

The spelling of 1145622064 in words is "one billion, one hundred forty-five million, six hundred twenty-two thousand, sixty-four".