145334254 has 24 divisors (see below), whose sum is σ = 244217160. Its totient is φ = 64759968.

The previous prime is 145334251. The next prime is 145334257. The reversal of 145334254 is 452433541.

It is an interprime number because it is at equal distance from previous prime (145334251) and next prime (145334257).

It is a super-2 number, since 2×145334254² = 42244090771473032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145334251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2389 + ... + 17215.

It is an arithmetic number, because the mean of its divisors is an integer number (10175715).

Almost surely, 2^145334254 is an apocalyptic number.

145334254 is a deficient number, since it is larger than the sum of its proper divisors (98882906).

145334254 is a wasteful number, since it uses less digits than its factorization.

145334254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14884 (or 14871 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 145334254 is about 12055.4657313602. The cubic root of 145334254 is about 525.7621631460.

Adding to 145334254 its reverse (452433541), we get a palindrome (597767795).

The spelling of 145334254 in words is "one hundred forty-five million, three hundred thirty-four thousand, two hundred fifty-four".