145531014 has 8 divisors (see below), whose sum is σ = 291062040. Its totient is φ = 48510336.

The previous prime is 145531007. The next prime is 145531031. The reversal of 145531014 is 410135541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

145531014 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12127579 + ... + 12127590.

It is an arithmetic number, because the mean of its divisors is an integer number (36382755).

Almost surely, 2^145531014 is an apocalyptic number.

145531014 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145531014 is a wasteful number, since it uses less digits than its factorization.

145531014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24255174.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 145531014 is about 12063.6235849764. The cubic root of 145531014 is about 525.9993229135. Note that the first 3 decimals are identical.

Adding to 145531014 its reverse (410135541), we get a palindrome (555666555).

The spelling of 145531014 in words is "one hundred forty-five million, five hundred thirty-one thousand, fourteen".