145355122 has 12 divisors (see below), whose sum is σ = 239656158. Its totient is φ = 66070400.

The previous prime is 145355107. The next prime is 145355123. The reversal of 145355122 is 221553541.

145355122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 73427761 + 71927361 = 8569^2 + 8481^2 .

It is a super-2 number, since 2×145355122² = 42256222983269768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145355123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 300079 + ... + 300562.

Almost surely, 2^145355122 is an apocalyptic number.

145355122 is a deficient number, since it is larger than the sum of its proper divisors (94301036).

145355122 is a wasteful number, since it uses less digits than its factorization.

145355122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600665 (or 600654 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 145355122 is about 12056.3311998302. The cubic root of 145355122 is about 525.7873260135.

The spelling of 145355122 in words is "one hundred forty-five million, three hundred fifty-five thousand, one hundred twenty-two".