145305164 has 12 divisors (see below), whose sum is σ = 254374344. Its totient is φ = 72626784.

The previous prime is 145305163. The next prime is 145305211. The reversal of 145305164 is 461503541.

It is a happy number.

It is a super-2 number, since 2×145305164² = 42227181370133792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145305163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12239 + ... + 20985.

It is an arithmetic number, because the mean of its divisors is an integer number (21197862).

Almost surely, 2^145305164 is an apocalyptic number.

It is an amenable number.

145305164 is a deficient number, since it is larger than the sum of its proper divisors (109069180).

145305164 is a wasteful number, since it uses less digits than its factorization.

145305164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12904 (or 12902 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 145305164 is about 12054.2591642954. The cubic root of 145305164 is about 525.7270820795.

The spelling of 145305164 in words is "one hundred forty-five million, three hundred five thousand, one hundred sixty-four".