155551296 has 112 divisors (see below), whose sum is σ = 428085504. Its totient is φ = 49814016.

The previous prime is 155551261. The next prime is 155551301. The reversal of 155551296 is 692155551.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685135 + ... + 685361.

It is an arithmetic number, because the mean of its divisors is an integer number (3822192).

Almost surely, 2^155551296 is an apocalyptic number.

155551296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155551296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214042752).

155551296 is an abundant number, since it is smaller than the sum of its proper divisors (272534208).

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

155551296 is a wasteful number, since it uses less digits than its factorization.

155551296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 358 counting only the distinct ones).

The product of its digits is 67500, while the sum is 39.

The square root of 155551296 is about 12472.0205259613. The cubic root of 155551296 is about 537.8046397094.

The spelling of 155551296 in words is "one hundred fifty-five million, five hundred fifty-one thousand, two hundred ninety-six".