145200122 has 8 divisors (see below), whose sum is σ = 221051136. Its totient is φ = 71516412.

The previous prime is 145200113. The next prime is 145200149. The reversal of 145200122 is 221002541.

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

It is a self number, because there is not a number n which added to its sum of digits gives 145200122.

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, 541658 + ... + 541925.

It is an arithmetic number, because the mean of its divisors is an integer number (27631392).

Almost surely, 2^145200122 is an apocalyptic number.

145200122 is a deficient number, since it is larger than the sum of its proper divisors (75851014).

145200122 is a wasteful number, since it uses less digits than its factorization.

145200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083652.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 145200122 is about 12049.9013273968. The cubic root of 145200122 is about 525.6003677561.

Adding to 145200122 its reverse (221002541), we get a palindrome (366202663).

The spelling of 145200122 in words is "one hundred forty-five million, two hundred thousand, one hundred twenty-two".