155424460 has 24 divisors (see below), whose sum is σ = 326629296. Its totient is φ = 62124480.

The previous prime is 155424443. The next prime is 155424463. The reversal of 155424460 is 64424551.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (155424463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44995 + ... + 48325.

It is an arithmetic number, because the mean of its divisors is an integer number (13609554).

Almost surely, 2^155424460 is an apocalyptic number.

155424460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155424460 is an abundant number, since it is smaller than the sum of its proper divisors (171204836).

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

155424460 is a wasteful number, since it uses less digits than its factorization.

155424460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5673 (or 5671 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 155424460 is about 12466.9346673511. The cubic root of 155424460 is about 537.6584252672.

Subtracting from 155424460 its reverse (64424551), we obtain a palindrome (90999909).

It can be divided in two parts, 15542 and 4460, that added together give a palindrome (20002).

The spelling of 155424460 in words is "one hundred fifty-five million, four hundred twenty-four thousand, four hundred sixty".