265145461 has 8 divisors (see below), whose sum is σ = 303153984. Its totient is φ = 227169600.

The previous prime is 265145429. The next prime is 265145473. The reversal of 265145461 is 164541562.

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

It is not a de Polignac number, because 265145461 - 2⁵ = 265145429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265145161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12846 + ... + 26368.

It is an arithmetic number, because the mean of its divisors is an integer number (37894248).

Almost surely, 2^265145461 is an apocalyptic number.

It is an amenable number.

265145461 is a deficient number, since it is larger than the sum of its proper divisors (38008523).

265145461 is a wasteful number, since it uses less digits than its factorization.

265145461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16331.

The product of its digits is 28800, while the sum is 34.

The square root of 265145461 is about 16283.2877822631. The cubic root of 265145461 is about 642.4333317654.

The spelling of 265145461 in words is "two hundred sixty-five million, one hundred forty-five thousand, four hundred sixty-one".