145522022 has 8 divisors (see below), whose sum is σ = 219729072. Its totient is φ = 72279000.

The previous prime is 145522001. The next prime is 145522043. The reversal of 145522022 is 220225541.

It is an interprime number because it is at equal distance from previous prime (145522001) and next prime (145522043).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240629 + ... + 241232.

It is an arithmetic number, because the mean of its divisors is an integer number (27466134).

Almost surely, 2^145522022 is an apocalyptic number.

145522022 is a deficient number, since it is larger than the sum of its proper divisors (74207050).

145522022 is a wasteful number, since it uses less digits than its factorization.

145522022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482014.

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

The square root of 145522022 is about 12063.2508885458. The cubic root of 145522022 is about 525.9884892930.

Adding to 145522022 its reverse (220225541), we get a palindrome (365747563).

The spelling of 145522022 in words is "one hundred forty-five million, five hundred twenty-two thousand, twenty-two".