64037545 has 16 divisors (see below), whose sum is σ = 90280512. Its totient is φ = 42989760.

The previous prime is 64037513. The next prime is 64037551. The reversal of 64037545 is 54573046.

It is a happy number.

It is not a de Polignac number, because 64037545 - 2⁵ = 64037513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64037545.

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, 44067 + ... + 45496.

It is an arithmetic number, because the mean of its divisors is an integer number (5642532).

Almost surely, 2^64037545 is an apocalyptic number.

64037545 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

64037545 is a deficient number, since it is larger than the sum of its proper divisors (26242967).

64037545 is a wasteful number, since it uses less digits than its factorization.

64037545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89592.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 64037545 is about 8002.3462184537. The cubic root of 64037545 is about 400.0782034596.

The spelling of 64037545 in words is "sixty-four million, thirty-seven thousand, five hundred forty-five".