64302145 has 8 divisors (see below), whose sum is σ = 79044840. Its totient is φ = 50186880.

The previous prime is 64302103. The next prime is 64302149. The reversal of 64302145 is 54120346.

It can be written as a sum of positive squares in 4 ways, for example, as 190096 + 64112049 = 436^2 + 8007^2 .

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

It is not a de Polignac number, because 64302145 - 2¹⁵ = 64269377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64302149) 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, 156630 + ... + 157039.

It is an arithmetic number, because the mean of its divisors is an integer number (9880605).

Almost surely, 2^64302145 is an apocalyptic number.

It is an amenable number.

64302145 is a deficient number, since it is larger than the sum of its proper divisors (14742695).

64302145 is a wasteful number, since it uses less digits than its factorization.

64302145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313715.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 64302145 is about 8018.8618269677. The cubic root of 64302145 is about 400.6284807627.

The spelling of 64302145 in words is "sixty-four million, three hundred two thousand, one hundred forty-five".