145522465 has 24 divisors (see below), whose sum is σ = 203250600. Its totient is φ = 99601920.

The previous prime is 145522457. The next prime is 145522469. The reversal of 145522465 is 564225541.

145522465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 65545216 + 79977249 = 8096^2 + 8943^2 .

It is not a de Polignac number, because 145522465 - 2³ = 145522457 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 145522465.

It is not an unprimeable number, because it can be changed into a prime (145522469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3211 + ... + 17359.

It is an arithmetic number, because the mean of its divisors is an integer number (8468775).

Almost surely, 2^145522465 is an apocalyptic number.

It is an amenable number.

145522465 is a deficient number, since it is larger than the sum of its proper divisors (57728135).

145522465 is a wasteful number, since it uses less digits than its factorization.

145522465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14193 (or 14182 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 145522465 is about 12063.2692500831. The cubic root of 145522465 is about 525.9890230328.

The spelling of 145522465 in words is "one hundred forty-five million, five hundred twenty-two thousand, four hundred sixty-five".