145065015 has 48 divisors (see below), whose sum is σ = 261724320. Its totient is φ = 74269440.

The previous prime is 145065013. The next prime is 145065023. The reversal of 145065015 is 510560541.

It is a happy number.

145065015 is a `hidden beast` number, since 1 + 4 + 5 + 0 + 650 + 1 + 5 = 666.

It is not a de Polignac number, because 145065015 - 2¹ = 145065013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145065015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145065013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117421 + ... + 118649.

It is an arithmetic number, because the mean of its divisors is an integer number (5452590).

Almost surely, 2^145065015 is an apocalyptic number.

145065015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145065015 is a deficient number, since it is larger than the sum of its proper divisors (116659305).

145065015 is a wasteful number, since it uses less digits than its factorization.

145065015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 145065015 is about 12044.2938771852. The cubic root of 145065015 is about 525.4372955202.

The spelling of 145065015 in words is "one hundred forty-five million, sixty-five thousand, fifteen".