9155545425 has 180 divisors, whose sum is σ = 18978499584. Its totient is φ = 4356892800.

The previous prime is 9155545391. The next prime is 9155545453. The reversal of 9155545425 is 5245455519.

9155545425 is a `hidden beast` number, since 9 + 1 + 55 + 54 + 542 + 5 = 666.

It is not a de Polignac number, because 9155545425 - 2⁷ = 9155545297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 10608544 + ... + 10609406.

Almost surely, 2^9155545425 is an apocalyptic number.

It is an amenable number.

9155545425 is an abundant number, since it is smaller than the sum of its proper divisors (9822954159).

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

9155545425 is a wasteful number, since it uses less digits than its factorization.

9155545425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 915 counting only the distinct ones).

The product of its digits is 900000, while the sum is 45.

The square root of 9155545425 is about 95684.6143588404. The cubic root of 9155545425 is about 2091.9986851630.

The spelling of 9155545425 in words is "nine billion, one hundred fifty-five million, five hundred forty-five thousand, four hundred twenty-five".