64201455 has 12 divisors (see below), whose sum is σ = 111282600. Its totient is φ = 34240752.

The previous prime is 64201439. The next prime is 64201457. The reversal of 64201455 is 55410246.

64201455 is a `hidden beast` number, since 6 + 4 + 201 + 455 = 666.

It is not a de Polignac number, because 64201455 - 2⁴ = 64201439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64201457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 713305 + ... + 713394.

It is an arithmetic number, because the mean of its divisors is an integer number (9273550).

Almost surely, 2^64201455 is an apocalyptic number.

64201455 is a deficient number, since it is larger than the sum of its proper divisors (47081145).

64201455 is a wasteful number, since it uses less digits than its factorization.

64201455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426710 (or 1426707 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 64201455 is about 8012.5810448319. The cubic root of 64201455 is about 400.4192583193.

It can be divided in two parts, 6420 and 1455, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 64201455 in words is "sixty-four million, two hundred one thousand, four hundred fifty-five".