2238145507 has 8 divisors (see below), whose sum is σ = 2410702784. Its totient is φ = 2065644288.

The previous prime is 2238145493. The next prime is 2238145529. The reversal of 2238145507 is 7055418322.

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 2238145507 - 2⁷ = 2238145379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2238145307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108883 + ... + 127795.

It is an arithmetic number, because the mean of its divisors is an integer number (301337848).

Almost surely, 2^2238145507 is an apocalyptic number.

2238145507 is a deficient number, since it is larger than the sum of its proper divisors (172557277).

2238145507 is a wasteful number, since it uses less digits than its factorization.

2238145507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28029.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 2238145507 is about 47309.0425500242. The cubic root of 2238145507 is about 1308.0653428610.

The spelling of 2238145507 in words is "two billion, two hundred thirty-eight million, one hundred forty-five thousand, five hundred seven".