145514302 has 4 divisors (see below), whose sum is σ = 218271456. Its totient is φ = 72757150.

The previous prime is 145514297. The next prime is 145514311. The reversal of 145514302 is 203415541.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36378574 + ... + 36378577.

It is an arithmetic number, because the mean of its divisors is an integer number (54567864).

Almost surely, 2^145514302 is an apocalyptic number.

145514302 is a deficient number, since it is larger than the sum of its proper divisors (72757154).

145514302 is an equidigital number, since it uses as much as digits as its factorization.

145514302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72757153.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 145514302 is about 12062.9309042206. The cubic root of 145514302 is about 525.9791878304.

Adding to 145514302 its reverse (203415541), we get a palindrome (348929843).

The spelling of 145514302 in words is "one hundred forty-five million, five hundred fourteen thousand, three hundred two".