145235254 has 8 divisors (see below), whose sum is σ = 218994048. Its totient is φ = 72237240.

The previous prime is 145235239. The next prime is 145235261. The reversal of 145235254 is 452532541.

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, 189717 + ... + 190480.

It is an arithmetic number, because the mean of its divisors is an integer number (27374256).

Almost surely, 2^145235254 is an apocalyptic number.

145235254 is a deficient number, since it is larger than the sum of its proper divisors (73758794).

145235254 is a wasteful number, since it uses less digits than its factorization.

145235254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380390.

The product of its digits is 24000, while the sum is 31.

The square root of 145235254 is about 12051.3590105017. The cubic root of 145235254 is about 525.6427550094.

Adding to 145235254 its reverse (452532541), we get a palindrome (597767795).

The spelling of 145235254 in words is "one hundred forty-five million, two hundred thirty-five thousand, two hundred fifty-four".