64026445 has 16 divisors (see below), whose sum is σ = 87937920. Its totient is φ = 43838784.

The previous prime is 64026433. The next prime is 64026481. The reversal of 64026445 is 54462046.

It is a cyclic number.

It is not a de Polignac number, because 64026445 - 2²¹ = 61929293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43339 + ... + 44791.

It is an arithmetic number, because the mean of its divisors is an integer number (5496120).

Almost surely, 2^64026445 is an apocalyptic number.

It is an amenable number.

64026445 is a deficient number, since it is larger than the sum of its proper divisors (23911475).

64026445 is a wasteful number, since it uses less digits than its factorization.

64026445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 64026445 is about 8001.6526417984. The cubic root of 64026445 is about 400.0550861634.

The spelling of 64026445 in words is "sixty-four million, twenty-six thousand, four hundred forty-five".