145716254 has 4 divisors (see below), whose sum is σ = 218574384. Its totient is φ = 72858126.

The previous prime is 145716217. The next prime is 145716257. The reversal of 145716254 is 452617541.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145716257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36429062 + ... + 36429065.

It is an arithmetic number, because the mean of its divisors is an integer number (54643596).

Almost surely, 2^145716254 is an apocalyptic number.

145716254 is a deficient number, since it is larger than the sum of its proper divisors (72858130).

145716254 is an equidigital number, since it uses as much as digits as its factorization.

145716254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72858129.

The product of its digits is 33600, while the sum is 35.

The square root of 145716254 is about 12071.2987702235. The cubic root of 145716254 is about 526.2224020598. Note that the first 3 decimals are identical.

The spelling of 145716254 in words is "one hundred forty-five million, seven hundred sixteen thousand, two hundred fifty-four".