7000438145 has 8 divisors (see below), whose sum is σ = 8401758504. Its totient is φ = 5599528704.

The previous prime is 7000438111. The next prime is 7000438153. The reversal of 7000438145 is 5418340007.

It can be written as a sum of positive squares in 4 ways, for example, as 1863562561 + 5136875584 = 43169^2 + 71672^2 .

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 7000438145 - 2¹⁴ = 7000421761 is a prime.

It is a super-2 number, since 2×7000438145² = 98012268443942082050, which contains 22 as substring.

It is a Duffinian 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, 63914 + ... + 134483.

It is an arithmetic number, because the mean of its divisors is an integer number (1050219813).

Almost surely, 2^7000438145 is an apocalyptic number.

It is an amenable number.

7000438145 is a deficient number, since it is larger than the sum of its proper divisors (1401320359).

7000438145 is a wasteful number, since it uses less digits than its factorization.

7000438145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205459.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 7000438145 is about 83668.6210296309. The cubic root of 7000438145 is about 1912.9710934270.

The spelling of 7000438145 in words is "seven billion, four hundred thirty-eight thousand, one hundred forty-five".