155254424 has 64 divisors (see below), whose sum is σ = 324324000. Its totient is φ = 69221376.

The previous prime is 155254409. The next prime is 155254441. The reversal of 155254424 is 424452551.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 666212 + ... + 666444.

Almost surely, 2^155254424 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 155254424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162162000).

155254424 is an abundant number, since it is smaller than the sum of its proper divisors (169069576).

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

155254424 is a wasteful number, since it uses less digits than its factorization.

155254424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 440 counting only the distinct ones).

The product of its digits is 32000, while the sum is 32.

The square root of 155254424 is about 12460.1133221171. The cubic root of 155254424 is about 537.4622857259.

The spelling of 155254424 in words is "one hundred fifty-five million, two hundred fifty-four thousand, four hundred twenty-four".