145169015 has 8 divisors (see below), whose sum is σ = 174322368. Its totient is φ = 116055520.

The previous prime is 145168999. The next prime is 145169021. The reversal of 145169015 is 510961541.

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

It is not a de Polignac number, because 145169015 - 2⁴ = 145168999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256 + ... + 17085.

It is an arithmetic number, because the mean of its divisors is an integer number (21790296).

Almost surely, 2^145169015 is an apocalyptic number.

145169015 is a deficient number, since it is larger than the sum of its proper divisors (29153353).

145169015 is a wasteful number, since it uses less digits than its factorization.

145169015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19929.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 145169015 is about 12048.6105008005. The cubic root of 145169015 is about 525.5628310146.

The spelling of 145169015 in words is "one hundred forty-five million, one hundred sixty-nine thousand, fifteen".