155369427 has 8 divisors (see below), whose sum is σ = 213841920. Its totient is φ = 100238280.

The previous prime is 155369407. The next prime is 155369471. The reversal of 155369427 is 724963551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155369427 - 2¹¹ = 155367379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155369407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835227 + ... + 835412.

It is an arithmetic number, because the mean of its divisors is an integer number (26730240).

Almost surely, 2^155369427 is an apocalyptic number.

155369427 is a deficient number, since it is larger than the sum of its proper divisors (58472493).

155369427 is a wasteful number, since it uses less digits than its factorization.

155369427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670673.

The product of its digits is 226800, while the sum is 42.

The square root of 155369427 is about 12464.7273135035. The cubic root of 155369427 is about 537.5949593900.

The spelling of 155369427 in words is "one hundred fifty-five million, three hundred sixty-nine thousand, four hundred twenty-seven".