2145302149226 has 8 divisors (see below), whose sum is σ = 3278669322564. Its totient is φ = 1052412375040.

The previous prime is 2145302149223. The next prime is 2145302149271. The reversal of 2145302149226 is 6229412035412.

It is a Cunningham number, because it is equal to 1464685²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 2145302149225 + 1 = 1464685^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2145302149226² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2145302149223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10119349655 + ... + 10119349866.

Almost surely, 2^{2145302149226} is an apocalyptic number.

2145302149226 is a deficient number, since it is larger than the sum of its proper divisors (1133367173338).

2145302149226 is a wasteful number, since it uses less digits than its factorization.

2145302149226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20238699576.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 2145302149226 in words is "two trillion, one hundred forty-five billion, three hundred two million, one hundred forty-nine thousand, two hundred twenty-six".