155229696 has 200 divisors, whose sum is σ = 490180680. Its totient is φ = 48771072.

The previous prime is 155229611. The next prime is 155229709. The reversal of 155229696 is 696922551.

It is a happy number.

155229696 is a `hidden beast` number, since 1 + 552 + 2 + 9 + 6 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 787870 + ... + 788066.

Almost surely, 2^155229696 is an apocalyptic number.

155229696 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 155229696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245090340).

155229696 is an abundant number, since it is smaller than the sum of its proper divisors (334950984).

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

155229696 is an equidigital number, since it uses as much as digits as its factorization.

155229696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 221 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 155229696 is about 12459.1209962822. The cubic root of 155229696 is about 537.4337496135.

The spelling of 155229696 in words is "one hundred fifty-five million, two hundred twenty-nine thousand, six hundred ninety-six".