145147115 has 16 divisors (see below), whose sum is σ = 184661760. Its totient is φ = 109330560.

The previous prime is 145147091. The next prime is 145147127. The reversal of 145147115 is 511741541.

145147115 = 1203² + 1204² + ... + 1295².

145147115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145147115 - 2¹⁴ = 145130731 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6920 + ... + 18389.

It is an arithmetic number, because the mean of its divisors is an integer number (11541360).

Almost surely, 2^145147115 is an apocalyptic number.

145147115 is a deficient number, since it is larger than the sum of its proper divisors (39514645).

145147115 is a wasteful number, since it uses less digits than its factorization.

145147115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25382.

The product of its digits is 2800, while the sum is 29.

The square root of 145147115 is about 12047.7016480323. The cubic root of 145147115 is about 525.5364011210.

Adding to 145147115 its reverse (511741541), we get a palindrome (656888656).

The spelling of 145147115 in words is "one hundred forty-five million, one hundred forty-seven thousand, one hundred fifteen".