64455042 has 8 divisors (see below), whose sum is σ = 128910096. Its totient is φ = 21485012.

The previous prime is 64455029. The next prime is 64455067. The reversal of 64455042 is 24055446.

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

64455042 is an admirable number.

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, 5371248 + ... + 5371259.

It is an arithmetic number, because the mean of its divisors is an integer number (16113762).

Almost surely, 2^64455042 is an apocalyptic number.

64455042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64455042 is a wasteful number, since it uses less digits than its factorization.

64455042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10742512.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 64455042 is about 8028.3897513761. The cubic root of 64455042 is about 400.9457662199.

The spelling of 64455042 in words is "sixty-four million, four hundred fifty-five thousand, forty-two".