145522245 has 16 divisors (see below), whose sum is σ = 254002752. Its totient is φ = 70556160.

The previous prime is 145522231. The next prime is 145522283. The reversal of 145522245 is 542225541.

145522245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145522245 - 2¹⁰ = 145521221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440812 + ... + 441141.

It is an arithmetic number, because the mean of its divisors is an integer number (15875172).

Almost surely, 2^145522245 is an apocalyptic number.

145522245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145522245 is a deficient number, since it is larger than the sum of its proper divisors (108480507).

145522245 is a wasteful number, since it uses less digits than its factorization.

145522245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881972.

The product of its digits is 16000, while the sum is 30.

The square root of 145522245 is about 12063.2601314902. The cubic root of 145522245 is about 525.9887579703.

Adding to 145522245 its reverse (542225541), we get a palindrome (687747786).

The spelling of 145522245 in words is "one hundred forty-five million, five hundred twenty-two thousand, two hundred forty-five".