155450368 has 88 divisors (see below), whose sum is σ = 330140160. Its totient is φ = 73052160.

The previous prime is 155450341. The next prime is 155450389. The reversal of 155450368 is 863054551.

It is a super-2 number, since 2×155450368² = 48329633822670848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1872855 + ... + 1872937.

Almost surely, 2^155450368 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 155450368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165070080).

155450368 is an abundant number, since it is smaller than the sum of its proper divisors (174689792).

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

155450368 is an equidigital number, since it uses as much as digits as its factorization.

155450368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 155450368 is about 12467.9736926254. The cubic root of 155450368 is about 537.6882980439.

The spelling of 155450368 in words is "one hundred fifty-five million, four hundred fifty thousand, three hundred sixty-eight".