1234162645 has 8 divisors (see below), whose sum is σ = 1488514104. Its totient is φ = 982317504.

The previous prime is 1234162621. The next prime is 1234162663. The reversal of 1234162645 is 5462614321.

It can be written as a sum of positive squares in 4 ways, for example, as 77686596 + 1156476049 = 8814^2 + 34007^2 .

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 1234162645 - 2⁹ = 1234162133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1234162645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625494 + ... + 627463.

It is an arithmetic number, because the mean of its divisors is an integer number (186064263).

Almost surely, 2^1234162645 is an apocalyptic number.

It is an amenable number.

1234162645 is a deficient number, since it is larger than the sum of its proper divisors (254351459).

1234162645 is a wasteful number, since it uses less digits than its factorization.

1234162645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253159.

The product of its digits is 34560, while the sum is 34.

The square root of 1234162645 is about 35130.6510756633. The cubic root of 1234162645 is about 1072.6485888713.

Adding to 1234162645 its reverse (5462614321), we get a palindrome (6696776966).

The spelling of 1234162645 in words is "one billion, two hundred thirty-four million, one hundred sixty-two thousand, six hundred forty-five".