155051412 has 12 divisors (see below), whose sum is σ = 361786656. Its totient is φ = 51683800.

The previous prime is 155051401. The next prime is 155051437. The reversal of 155051412 is 214150551.

It is a tau number, because it is divible by the number of its divisors (12).

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, 6460464 + ... + 6460487.

It is an arithmetic number, because the mean of its divisors is an integer number (30148888).

Almost surely, 2^155051412 is an apocalyptic number.

155051412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155051412 is an abundant number, since it is smaller than the sum of its proper divisors (206735244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155051412 is a wasteful number, since it uses less digits than its factorization.

155051412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12920958 (or 12920956 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 155051412 is about 12451.9641824091. The cubic root of 155051412 is about 537.2279201308.

The spelling of 155051412 in words is "one hundred fifty-five million, fifty-one thousand, four hundred twelve".