425551145 has 8 divisors (see below), whose sum is σ = 510785160. Its totient is φ = 340358400.

The previous prime is 425551127. The next prime is 425551183. The reversal of 425551145 is 541155524.

It can be written as a sum of positive squares in 4 ways, for example, as 184090624 + 241460521 = 13568^2 + 15539^2 .

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

It is not a de Polignac number, because 425551145 - 2⁶ = 425551081 is a prime.

It is a super-2 number, since 2×425551145² = 362187554021622050, which contains 22 as substring.

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, 21041 + ... + 35969.

It is an arithmetic number, because the mean of its divisors is an integer number (63848145).

Almost surely, 2^425551145 is an apocalyptic number.

It is an amenable number.

425551145 is a deficient number, since it is larger than the sum of its proper divisors (85234015).

425551145 is a wasteful number, since it uses less digits than its factorization.

425551145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20635.

The product of its digits is 20000, while the sum is 32.

The square root of 425551145 is about 20628.8910269069. The cubic root of 425551145 is about 752.1721591889.

The spelling of 425551145 in words is "four hundred twenty-five million, five hundred fifty-one thousand, one hundred forty-five".