145530465 has 16 divisors (see below), whose sum is σ = 233041536. Its totient is φ = 77552000.

The previous prime is 145530419. The next prime is 145530467. The reversal of 145530465 is 564035541.

It is not a de Polignac number, because 145530465 - 2¹¹ = 145528417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145530467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18940 + ... + 25490.

It is an arithmetic number, because the mean of its divisors is an integer number (14565096).

Almost surely, 2^145530465 is an apocalyptic number.

145530465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145530465 is a deficient number, since it is larger than the sum of its proper divisors (87511071).

145530465 is a wasteful number, since it uses less digits than its factorization.

145530465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 145530465 is about 12063.6008305978. The cubic root of 145530465 is about 525.9986614875.

The spelling of 145530465 in words is "one hundred forty-five million, five hundred thirty thousand, four hundred sixty-five".