155054455 has 8 divisors (see below), whose sum is σ = 186148800. Its totient is φ = 123987936.

The previous prime is 155054447. The next prime is 155054491. The reversal of 155054455 is 554450551.

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

It is a cyclic number.

It is not a de Polignac number, because 155054455 - 2³ = 155054447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155054455.

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, 8386 + ... + 19504.

It is an arithmetic number, because the mean of its divisors is an integer number (23268600).

Almost surely, 2^155054455 is an apocalyptic number.

155054455 is a deficient number, since it is larger than the sum of its proper divisors (31094345).

155054455 is a wasteful number, since it uses less digits than its factorization.

155054455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13913.

The product of its (nonzero) digits is 50000, while the sum is 34.

The square root of 155054455 is about 12452.0863713677. The cubic root of 155054455 is about 537.2314346078.

The spelling of 155054455 in words is "one hundred fifty-five million, fifty-four thousand, four hundred fifty-five".