64155146 has 8 divisors (see below), whose sum is σ = 104981184. Its totient is φ = 29161420.

The previous prime is 64155137. The next prime is 64155173.

64155146 is nontrivially palindromic in base 10.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1458050 + ... + 1458093.

It is an arithmetic number, because the mean of its divisors is an integer number (13122648).

Almost surely, 2^64155146 is an apocalyptic number.

64155146 is a deficient number, since it is larger than the sum of its proper divisors (40826038).

64155146 is a wasteful number, since it uses less digits than its factorization.

64155146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916156.

The product of its digits is 14400, while the sum is 32.

The square root of 64155146 is about 8009.6907555785. The cubic root of 64155146 is about 400.3229600052.

The spelling of 64155146 in words is "sixty-four million, one hundred fifty-five thousand, one hundred forty-six".