145254314 has 4 divisors (see below), whose sum is σ = 217881474. Its totient is φ = 72627156.

The previous prime is 145254253. The next prime is 145254331. The reversal of 145254314 is 413452541.

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

It can be written as a sum of positive squares in only one way, i.e., 107640625 + 37613689 = 10375^2 + 6133^2 .

It is a super-3 number, since 3×145254314³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 36313577 + ... + 36313580.

Almost surely, 2^145254314 is an apocalyptic number.

145254314 is a deficient number, since it is larger than the sum of its proper divisors (72627160).

145254314 is an equidigital number, since it uses as much as digits as its factorization.

145254314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72627159.

The product of its digits is 9600, while the sum is 29.

The square root of 145254314 is about 12052.1497667429. The cubic root of 145254314 is about 525.6657483080.

The spelling of 145254314 in words is "one hundred forty-five million, two hundred fifty-four thousand, three hundred fourteen".