64460155 has 8 divisors (see below), whose sum is σ = 78663600. Its totient is φ = 50693856.

The previous prime is 64460147. The next prime is 64460167. The reversal of 64460155 is 55106446.

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

It is a cyclic number.

It is not a de Polignac number, because 64460155 - 2³ = 64460147 is a prime.

It is a super-2 number, since 2×64460155² = 8310223165248050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108960 + ... + 109549.

It is an arithmetic number, because the mean of its divisors is an integer number (9832950).

Almost surely, 2^64460155 is an apocalyptic number.

64460155 is a deficient number, since it is larger than the sum of its proper divisors (14203445).

64460155 is a wasteful number, since it uses less digits than its factorization.

64460155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218573.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 64460155 is about 8028.7081775339. The cubic root of 64460155 is about 400.9563678291.

The spelling of 64460155 in words is "sixty-four million, four hundred sixty thousand, one hundred fifty-five".