1234444245 has 16 divisors (see below), whose sum is σ = 1982802240. Its totient is φ = 655806464.

The previous prime is 1234444229. The next prime is 1234444249. The reversal of 1234444245 is 5424444321.

It is a cyclic number.

It is not a de Polignac number, because 1234444245 - 2⁴ = 1234444229 is a prime.

It is a super-3 number, since 3×1234444245³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234444249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156255 + ... + 163964.

It is an arithmetic number, because the mean of its divisors is an integer number (123925140).

Almost surely, 2^1234444245 is an apocalyptic number.

1234444245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1234444245 is a deficient number, since it is larger than the sum of its proper divisors (748357995).

1234444245 is a wasteful number, since it uses less digits than its factorization.

1234444245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320484.

The product of its digits is 61440, while the sum is 33.

The square root of 1234444245 is about 35134.6587431841. The cubic root of 1234444245 is about 1072.7301650647.

Adding to 1234444245 its reverse (5424444321), we get a palindrome (6658888566).

The spelling of 1234444245 in words is "one billion, two hundred thirty-four million, four hundred forty-four thousand, two hundred forty-five".