155484473 has 4 divisors (see below), whose sum is σ = 155726928. Its totient is φ = 155242020.

The previous prime is 155484443. The next prime is 155484509. The reversal of 155484473 is 374484551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155484473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155484473.

It is not an unprimeable number, because it can be changed into a prime (155484443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120263 + ... + 121548.

It is an arithmetic number, because the mean of its divisors is an integer number (38931732).

Almost surely, 2^155484473 is an apocalyptic number.

It is an amenable number.

155484473 is a deficient number, since it is larger than the sum of its proper divisors (242455).

155484473 is an equidigital number, since it uses as much as digits as its factorization.

155484473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242454.

The product of its digits is 268800, while the sum is 41.

The square root of 155484473 is about 12469.3413218181. The cubic root of 155484473 is about 537.7276171714.

The spelling of 155484473 in words is "one hundred fifty-five million, four hundred eighty-four thousand, four hundred seventy-three".