145555064 has 8 divisors (see below), whose sum is σ = 272915760. Its totient is φ = 72777528.

The previous prime is 145555057. The next prime is 145555073. The reversal of 145555064 is 460555541.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9097184 + ... + 9097199.

It is an arithmetic number, because the mean of its divisors is an integer number (34114470).

Almost surely, 2^145555064 is an apocalyptic number.

It is an amenable number.

145555064 is a deficient number, since it is larger than the sum of its proper divisors (127360696).

145555064 is a wasteful number, since it uses less digits than its factorization.

145555064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18194389 (or 18194385 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 145555064 is about 12064.6203421409. The cubic root of 145555064 is about 526.0282963183.

The spelling of 145555064 in words is "one hundred forty-five million, five hundred fifty-five thousand, sixty-four".