145240522 has 16 divisors (see below), whose sum is σ = 262088640. Its totient is φ = 58969728.

The previous prime is 145240519. The next prime is 145240531. The reversal of 145240522 is 225042541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272743 + ... + 273274.

It is an arithmetic number, because the mean of its divisors is an integer number (16380540).

Almost surely, 2^145240522 is an apocalyptic number.

145240522 is a deficient number, since it is larger than the sum of its proper divisors (116848118).

145240522 is a wasteful number, since it uses less digits than its factorization.

145240522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546045.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 145240522 is about 12051.5775730815. The cubic root of 145240522 is about 525.6491103363.

The spelling of 145240522 in words is "one hundred forty-five million, two hundred forty thousand, five hundred twenty-two".