64155332 has 6 divisors (see below), whose sum is σ = 112271838. Its totient is φ = 32077664.

The previous prime is 64155317. The next prime is 64155341. The reversal of 64155332 is 23355146.

It can be written as a sum of positive squares in only one way, i.e., 63616576 + 538756 = 7976^2 + 734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64155295 and 64155304.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8019413 + ... + 8019420.

It is an arithmetic number, because the mean of its divisors is an integer number (18711973).

Almost surely, 2^64155332 is an apocalyptic number.

It is an amenable number.

64155332 is a deficient number, since it is larger than the sum of its proper divisors (48116506).

64155332 is a wasteful number, since it uses less digits than its factorization.

64155332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16038837 (or 16038835 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 64155332 is about 8009.7023665053. The cubic root of 64155332 is about 400.3233468799.

The spelling of 64155332 in words is "sixty-four million, one hundred fifty-five thousand, three hundred thirty-two".