155352630 has 64 divisors (see below), whose sum is σ = 396264960. Its totient is φ = 38843904.

The previous prime is 155352559. The next prime is 155352641. The reversal of 155352630 is 36253551.

155352630 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213327 + ... + 214053.

It is an arithmetic number, because the mean of its divisors is an integer number (6191640).

Almost surely, 2^155352630 is an apocalyptic number.

155352630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 155352630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198132480).

155352630 is an abundant number, since it is smaller than the sum of its proper divisors (240912330).

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

155352630 is a wasteful number, since it uses less digits than its factorization.

155352630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 155352630 is about 12464.0535140058. The cubic root of 155352630 is about 537.5755855485.

The spelling of 155352630 in words is "one hundred fifty-five million, three hundred fifty-two thousand, six hundred thirty".