145164506 has 32 divisors (see below), whose sum is σ = 230985216. Its totient is φ = 68328000.

The previous prime is 145164493. The next prime is 145164527. The reversal of 145164506 is 605461541.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495296 + ... + 495588.

It is an arithmetic number, because the mean of its divisors is an integer number (7218288).

Almost surely, 2^145164506 is an apocalyptic number.

145164506 is a deficient number, since it is larger than the sum of its proper divisors (85820710).

145164506 is a wasteful number, since it uses less digits than its factorization.

145164506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518.

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

The square root of 145164506 is about 12048.4233823351. The cubic root of 145164506 is about 525.5573895702.

The spelling of 145164506 in words is "one hundred forty-five million, one hundred sixty-four thousand, five hundred six".