155213352 has 96 divisors (see below), whose sum is σ = 482926080. Its totient is φ = 44115840.

The previous prime is 155213347. The next prime is 155213369. The reversal of 155213352 is 253312551.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111702 + ... + 113082.

It is an arithmetic number, because the mean of its divisors is an integer number (5030480).

Almost surely, 2^155213352 is an apocalyptic number.

155213352 is a gapful number since it is divisible by the number (12) 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 155213352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241463040).

155213352 is an abundant number, since it is smaller than the sum of its proper divisors (327712728).

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

155213352 is a wasteful number, since it uses less digits than its factorization.

155213352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623 (or 1616 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 155213352 is about 12458.4650739969. The cubic root of 155213352 is about 537.4148869738.

The spelling of 155213352 in words is "one hundred fifty-five million, two hundred thirteen thousand, three hundred fifty-two".