155484472 has 32 divisors (see below), whose sum is σ = 342503280. Its totient is φ = 65237760.

The previous prime is 155484443. The next prime is 155484509. The reversal of 155484472 is 274484551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66813 + ... + 69100.

Almost surely, 2^155484472 is an apocalyptic number.

It is an amenable number.

155484472 is an abundant number, since it is smaller than the sum of its proper divisors (187018808).

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

155484472 is a wasteful number, since it uses less digits than its factorization.

155484472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135943 (or 135939 counting only the distinct ones).

The product of its digits is 179200, while the sum is 40.

The square root of 155484472 is about 12469.3412817197. The cubic root of 155484472 is about 537.7276160186.

The spelling of 155484472 in words is "one hundred fifty-five million, four hundred eighty-four thousand, four hundred seventy-two".