155384956 has 12 divisors (see below), whose sum is σ = 272029968. Its totient is φ = 77662112.

The previous prime is 155384939. The next prime is 155384963. The reversal of 155384956 is 659483551.

It is a super-2 number, since 2×155384956² = 48288969102243872, which contains 22 as substring.

It is a congruent number.

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, 7065 + ... + 18991.

It is an arithmetic number, because the mean of its divisors is an integer number (22669164).

Almost surely, 2^155384956 is an apocalyptic number.

It is an amenable number.

155384956 is a deficient number, since it is larger than the sum of its proper divisors (116645012).

155384956 is a wasteful number, since it uses less digits than its factorization.

155384956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15188 (or 15186 counting only the distinct ones).

The product of its digits is 648000, while the sum is 46.

The square root of 155384956 is about 12465.3502156979. The cubic root of 155384956 is about 537.6128694644.

The spelling of 155384956 in words is "one hundred fifty-five million, three hundred eighty-four thousand, nine hundred fifty-six".