145022045 has 16 divisors (see below), whose sum is σ = 202642560. Its totient is φ = 97566144.

The previous prime is 145022039. The next prime is 145022047. The reversal of 145022045 is 540220541.

It is a happy number.

145022045 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 145022045 - 2¹⁰ = 145021021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145022045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145022047) 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, 37235 + ... + 40944.

It is an arithmetic number, because the mean of its divisors is an integer number (12665160).

Almost surely, 2^145022045 is an apocalyptic number.

It is an amenable number.

145022045 is a deficient number, since it is larger than the sum of its proper divisors (57620515).

145022045 is an equidigital number, since it uses as much as digits as its factorization.

145022045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78244.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 145022045 is about 12042.5099128047. The cubic root of 145022045 is about 525.3854101173.

Adding to 145022045 its reverse (540220541), we get a palindrome (685242586).

The spelling of 145022045 in words is "one hundred forty-five million, twenty-two thousand, forty-five".