155201552 has 40 divisors (see below), whose sum is σ = 331457952. Its totient is φ = 69811200.

The previous prime is 155201537. The next prime is 155201603. The reversal of 155201552 is 255102551.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12527 + ... + 21617.

Almost surely, 2^155201552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155201552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165728976).

155201552 is an abundant number, since it is smaller than the sum of its proper divisors (176256400).

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

155201552 is a wasteful number, since it uses less digits than its factorization.

155201552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9207 (or 9201 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 155201552 is about 12457.9914914082. The cubic root of 155201552 is about 537.4012677495.

Subtracting 155201552 from its reverse (255102551), we obtain a palindrome (99900999).

It can be divided in two parts, 155 and 201552, that multiplied together give a triangular number (31240560 = T₇₉₀₄).

The spelling of 155201552 in words is "one hundred fifty-five million, two hundred one thousand, five hundred fifty-two".