145254302 has 4 divisors (see below), whose sum is σ = 217881456. Its totient is φ = 72627150.

The previous prime is 145254253. The next prime is 145254331. The reversal of 145254302 is 203452541.

It is a happy number.

145254302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 203452541 = 1447 ⋅140603.

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, 36313574 + ... + 36313577.

It is an arithmetic number, because the mean of its divisors is an integer number (54470364).

Almost surely, 2^145254302 is an apocalyptic number.

145254302 is a deficient number, since it is larger than the sum of its proper divisors (72627154).

145254302 is an equidigital number, since it uses as much as digits as its factorization.

145254302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72627153.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 145254302 is about 12052.1492689064. The cubic root of 145254302 is about 525.6657338322.

The spelling of 145254302 in words is "one hundred forty-five million, two hundred fifty-four thousand, three hundred two".