145124454 has 24 divisors (see below), whose sum is σ = 299925720. Its totient is φ = 46812480.

The previous prime is 145124449. The next prime is 145124491. The reversal of 145124454 is 454421541.

It is a super-2 number, since 2×145124454² = 42122214297596232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6819 + ... + 18350.

It is an arithmetic number, because the mean of its divisors is an integer number (12496905).

Almost surely, 2^145124454 is an apocalyptic number.

145124454 is an abundant number, since it is smaller than the sum of its proper divisors (154801266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145124454 is a wasteful number, since it uses less digits than its factorization.

145124454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25236 (or 25205 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 145124454 is about 12046.7611414853. The cubic root of 145124454 is about 525.5090500200.

Adding to 145124454 its reverse (454421541), we get a palindrome (599545995).

The spelling of 145124454 in words is "one hundred forty-five million, one hundred twenty-four thousand, four hundred fifty-four".