155151712 has 48 divisors (see below), whose sum is σ = 311813712. Its totient is φ = 75980800.

The previous prime is 155151691. The next prime is 155151719. The reversal of 155151712 is 217151551.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155151719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386712 + ... + 387112.

It is an arithmetic number, because the mean of its divisors is an integer number (6496119).

Almost surely, 2^155151712 is an apocalyptic number.

It is an amenable number.

155151712 is an abundant number, since it is smaller than the sum of its proper divisors (156662000).

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

155151712 is a wasteful number, since it uses less digits than its factorization.

155151712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 623 counting only the distinct ones).

The product of its digits is 1750, while the sum is 28.

The square root of 155151712 is about 12455.9910083461. The cubic root of 155151712 is about 537.3437362226.

The spelling of 155151712 in words is "one hundred fifty-five million, one hundred fifty-one thousand, seven hundred twelve".