145505465 has 16 divisors (see below), whose sum is σ = 211289472. Its totient is φ = 93905664.

The previous prime is 145505461. The next prime is 145505473. The reversal of 145505465 is 564505541.

145505465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 145505465 - 2² = 145505461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145505461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121679 + ... + 122868.

It is an arithmetic number, because the mean of its divisors is an integer number (13205592).

Almost surely, 2^145505465 is an apocalyptic number.

It is an amenable number.

145505465 is a deficient number, since it is larger than the sum of its proper divisors (65784007).

145505465 is a wasteful number, since it uses less digits than its factorization.

145505465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244576.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 145505465 is about 12062.5646112259. The cubic root of 145505465 is about 525.9685401435.

The spelling of 145505465 in words is "one hundred forty-five million, five hundred five thousand, four hundred sixty-five".