425545155 has 36 divisors (see below), whose sum is σ = 858042432. Its totient is φ = 194533920.

The previous prime is 425545129. The next prime is 425545181. The reversal of 425545155 is 551545524.

425545155 is a `hidden beast` number, since 4 + 2 + 554 + 51 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (425545129) and next prime (425545181).

It is not a de Polignac number, because 425545155 - 2¹⁰ = 425544131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 94291 + ... + 98700.

It is an arithmetic number, because the mean of its divisors is an integer number (23834512).

Almost surely, 2^425545155 is an apocalyptic number.

425545155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

425545155 is an abundant number, since it is smaller than the sum of its proper divisors (432497277).

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

425545155 is a wasteful number, since it uses less digits than its factorization.

425545155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193016 (or 193006 counting only the distinct ones).

The product of its digits is 100000, while the sum is 36.

The square root of 425545155 is about 20628.7458416647. The cubic root of 425545155 is about 752.1686300146.

The spelling of 425545155 in words is "four hundred twenty-five million, five hundred forty-five thousand, one hundred fifty-five".