155430648 has 24 divisors (see below), whose sum is σ = 420958200. Its totient is φ = 51810192.

The previous prime is 155430641. The next prime is 155430679. The reversal of 155430648 is 846034551.

It is a happy number.

155430648 is a `hidden beast` number, since 1 + 5 + 5 + 4 + 3 + 0 + 648 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155430641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1079308 + ... + 1079451.

It is an arithmetic number, because the mean of its divisors is an integer number (17539925).

Almost surely, 2^155430648 is an apocalyptic number.

155430648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

155430648 is an abundant number, since it is smaller than the sum of its proper divisors (265527552).

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

155430648 is a wasteful number, since it uses less digits than its factorization.

155430648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158771 (or 2158764 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 155430648 is about 12467.1828413640. The cubic root of 155430648 is about 537.6655605366.

The spelling of 155430648 in words is "one hundred fifty-five million, four hundred thirty thousand, six hundred forty-eight".