145970164 has 6 divisors (see below), whose sum is σ = 255447794. Its totient is φ = 72985080.

The previous prime is 145970161. The next prime is 145970171. The reversal of 145970164 is 461079541.

It can be written as a sum of positive squares in only one way, i.e., 145009764 + 960400 = 12042^2 + 980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145970161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18246267 + ... + 18246274.

Almost surely, 2^145970164 is an apocalyptic number.

It is an amenable number.

145970164 is a deficient number, since it is larger than the sum of its proper divisors (109477630).

145970164 is a wasteful number, since it uses less digits than its factorization.

145970164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36492545 (or 36492543 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 145970164 is about 12081.8112880478. The cubic root of 145970164 is about 526.5278715246.

The spelling of 145970164 in words is "one hundred forty-five million, nine hundred seventy thousand, one hundred sixty-four".