145031135 has 4 divisors (see below), whose sum is σ = 174037368. Its totient is φ = 116024904.

The previous prime is 145031119. The next prime is 145031147. The reversal of 145031135 is 531130541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145031135 - 2⁴ = 145031119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145031135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14503109 + ... + 14503118.

It is an arithmetic number, because the mean of its divisors is an integer number (43509342).

Almost surely, 2^145031135 is an apocalyptic number.

145031135 is a deficient number, since it is larger than the sum of its proper divisors (29006233).

145031135 is an equidigital number, since it uses as much as digits as its factorization.

145031135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29006232.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 145031135 is about 12042.8873199080. The cubic root of 145031135 is about 525.3963869625.

Adding to 145031135 its reverse (531130541), we get a palindrome (676161676).

The spelling of 145031135 in words is "one hundred forty-five million, thirty-one thousand, one hundred thirty-five".