155412933 has 16 divisors (see below), whose sum is σ = 226818816. Its totient is φ = 94069440.

The previous prime is 155412931. The next prime is 155412941. The reversal of 155412933 is 339214551.

It is not a de Polignac number, because 155412933 - 2¹ = 155412931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155412894 and 155412903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155412931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30285 + ... + 35042.

It is an arithmetic number, because the mean of its divisors is an integer number (14176176).

Almost surely, 2^155412933 is an apocalyptic number.

155412933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155412933 is a deficient number, since it is larger than the sum of its proper divisors (71405883).

155412933 is a wasteful number, since it uses less digits than its factorization.

155412933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65404.

The product of its digits is 16200, while the sum is 33.

The square root of 155412933 is about 12466.4723558832. The cubic root of 155412933 is about 537.6451331898.

The spelling of 155412933 in words is "one hundred fifty-five million, four hundred twelve thousand, nine hundred thirty-three".