145121102 has 16 divisors (see below), whose sum is σ = 253474272. Its totient is φ = 61020960.

The previous prime is 145121071. The next prime is 145121113. The reversal of 145121102 is 201121541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97049 + ... + 98532.

It is an arithmetic number, because the mean of its divisors is an integer number (15842142).

Almost surely, 2^145121102 is an apocalyptic number.

145121102 is a deficient number, since it is larger than the sum of its proper divisors (108353170).

145121102 is a wasteful number, since it uses less digits than its factorization.

145121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195643.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 145121102 is about 12046.6220161504. The cubic root of 145121102 is about 525.5050040217.

Adding to 145121102 its reverse (201121541), we get a palindrome (346242643).

The spelling of 145121102 in words is "one hundred forty-five million, one hundred twenty-one thousand, one hundred two".