145146254 has 32 divisors (see below), whose sum is σ = 245289600. Its totient is φ = 63851040.

The previous prime is 145146233. The next prime is 145146259. The reversal of 145146254 is 452641541.

It is a self number, because there is not a number n which added to its sum of digits gives 145146254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145146259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86132 + ... + 87800.

It is an arithmetic number, because the mean of its divisors is an integer number (7665300).

Almost surely, 2^145146254 is an apocalyptic number.

145146254 is a deficient number, since it is larger than the sum of its proper divisors (100143346).

145146254 is a wasteful number, since it uses less digits than its factorization.

145146254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808.

The product of its digits is 19200, while the sum is 32.

The square root of 145146254 is about 12047.6659150227. The cubic root of 145146254 is about 525.5353619736.

Adding to 145146254 its reverse (452641541), we get a palindrome (597787795).

The spelling of 145146254 in words is "one hundred forty-five million, one hundred forty-six thousand, two hundred fifty-four".