145203454 has 8 divisors (see below), whose sum is σ = 237605688. Its totient is φ = 66001560.

The previous prime is 145203419. The next prime is 145203481. The reversal of 145203454 is 454302541.

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

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, 3300057 + ... + 3300100.

It is an arithmetic number, because the mean of its divisors is an integer number (29700711).

Almost surely, 2^145203454 is an apocalyptic number.

145203454 is a deficient number, since it is larger than the sum of its proper divisors (92402234).

145203454 is a wasteful number, since it uses less digits than its factorization.

145203454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6600170.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 145203454 is about 12050.0395849972. The cubic root of 145203454 is about 525.6043881545.

Adding to 145203454 its reverse (454302541), we get a palindrome (599505995).

The spelling of 145203454 in words is "one hundred forty-five million, two hundred three thousand, four hundred fifty-four".