155000026 has 8 divisors (see below), whose sum is σ = 232587540. Its totient is φ = 77470848.

The previous prime is 155000023. The next prime is 155000039. The reversal of 155000026 is 620000551.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 146385801 + 8614225 = 12099^2 + 2935^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 154999967 and 155000012.

It is not an unprimeable number, because it can be changed into a prime (155000023) 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, 7191 + ... + 19018.

Almost surely, 2^155000026 is an apocalyptic number.

155000026 is a deficient number, since it is larger than the sum of its proper divisors (77587514).

155000026 is a wasteful number, since it uses less digits than its factorization.

155000026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29168.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 155000026 is about 12449.9006421738. The cubic root of 155000026 is about 537.1685655297.

Adding to 155000026 its reverse (620000551), we get a palindrome (775000577).

The spelling of 155000026 in words is "one hundred fifty-five million, twenty-six", and thus it is an aban number.