155352500 has 30 divisors (see below), whose sum is σ = 339730314. Its totient is φ = 62140000.

The previous prime is 155352497. The next prime is 155352503. The reversal of 155352500 is 5253551.

155352500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (155352497) and next prime (155352503).

It can be written as a sum of positive squares in 5 ways, for example, as 31787044 + 123565456 = 5638^2 + 11116^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 155352500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155352503) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 28571 + ... + 33570.

Almost surely, 2^155352500 is an apocalyptic number.

155352500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155352500 is an abundant number, since it is smaller than the sum of its proper divisors (184377814).

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

155352500 is an equidigital number, since it uses as much as digits as its factorization.

155352500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62165 (or 62148 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 155352500 is about 12464.0482990078. The cubic root of 155352500 is about 537.5754355996.

The spelling of 155352500 in words is "one hundred fifty-five million, three hundred fifty-two thousand, five hundred".