264141645 has 16 divisors (see below), whose sum is σ = 431619840. Its totient is φ = 137877824.

The previous prime is 264141623. The next prime is 264141649. The reversal of 264141645 is 546141462.

It is a cyclic number.

It is not a de Polignac number, because 264141645 - 2⁵ = 264141613 is a prime.

It is a super-3 number, since 3×264141645³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264141649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186630 + ... + 188039.

It is an arithmetic number, because the mean of its divisors is an integer number (26976240).

Almost surely, 2^264141645 is an apocalyptic number.

It is an amenable number.

264141645 is a deficient number, since it is larger than the sum of its proper divisors (167478195).

264141645 is a wasteful number, since it uses less digits than its factorization.

264141645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374724.

The product of its digits is 23040, while the sum is 33.

The square root of 264141645 is about 16252.4350483243. The cubic root of 264141645 is about 641.6215755875.

The spelling of 264141645 in words is "two hundred sixty-four million, one hundred forty-one thousand, six hundred forty-five".