427761145 has 32 divisors (see below), whose sum is σ = 604661760. Its totient is φ = 284444160.

The previous prime is 427761121. The next prime is 427761179. The reversal of 427761145 is 541167724.

It is not a de Polignac number, because 427761145 - 2¹⁵ = 427728377 is a prime.

It is a super-2 number, since 2×427761145² = 365959194343422050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163800 + ... + 166390.

It is an arithmetic number, because the mean of its divisors is an integer number (18895680).

Almost surely, 2^427761145 is an apocalyptic number.

It is an amenable number.

427761145 is a deficient number, since it is larger than the sum of its proper divisors (176900615).

427761145 is a wasteful number, since it uses less digits than its factorization.

427761145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745.

The product of its digits is 47040, while the sum is 37.

The square root of 427761145 is about 20682.3873138475. The cubic root of 427761145 is about 753.4719881877.

The spelling of 427761145 in words is "four hundred twenty-seven million, seven hundred sixty-one thousand, one hundred forty-five".