155380706 has 8 divisors (see below), whose sum is σ = 250999644. Its totient is φ = 71714160.

The previous prime is 155380691. The next prime is 155380747. The reversal of 155380706 is 607083551.

155380706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 154878025 + 502681 = 12445^2 + 709^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2988065 + ... + 2988116.

Almost surely, 2^155380706 is an apocalyptic number.

155380706 is a deficient number, since it is larger than the sum of its proper divisors (95618938).

155380706 is a wasteful number, since it uses less digits than its factorization.

155380706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5976196.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 155380706 is about 12465.1797419853. The cubic root of 155380706 is about 537.6079679270.

The spelling of 155380706 in words is "one hundred fifty-five million, three hundred eighty thousand, seven hundred six".