145135155 has 16 divisors (see below), whose sum is σ = 253327104. Its totient is φ = 70368480.

The previous prime is 145135139. The next prime is 145135157. The reversal of 145135155 is 551531541.

It is not a de Polignac number, because 145135155 - 2⁴ = 145135139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145135157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439639 + ... + 439968.

It is an arithmetic number, because the mean of its divisors is an integer number (15832944).

Almost surely, 2^145135155 is an apocalyptic number.

145135155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145135155 is a deficient number, since it is larger than the sum of its proper divisors (108191949).

145135155 is a wasteful number, since it uses less digits than its factorization.

145135155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879626.

The product of its digits is 7500, while the sum is 30.

The square root of 145135155 is about 12047.2052775737. The cubic root of 145135155 is about 525.5219661390.

Adding to 145135155 its reverse (551531541), we get a palindrome (696666696).

The spelling of 145135155 in words is "one hundred forty-five million, one hundred thirty-five thousand, one hundred fifty-five".