145531114 has 16 divisors (see below), whose sum is σ = 224190720. Its totient is φ = 70827120.

The previous prime is 145531079. The next prime is 145531123. The reversal of 145531114 is 411135541.

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, 4732 + ... + 17704.

It is an arithmetic number, because the mean of its divisors is an integer number (14011920).

Almost surely, 2^145531114 is an apocalyptic number.

145531114 is a deficient number, since it is larger than the sum of its proper divisors (78659606).

145531114 is a wasteful number, since it uses less digits than its factorization.

145531114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13125.

The product of its digits is 1200, while the sum is 25.

The square root of 145531114 is about 12063.6277296674. The cubic root of 145531114 is about 525.9994433917. Note that the first 3 decimals are identical.

Adding to 145531114 its reverse (411135541), we get a palindrome (556666655).

The spelling of 145531114 in words is "one hundred forty-five million, five hundred thirty-one thousand, one hundred fourteen".