145353258 has 32 divisors (see below), whose sum is σ = 324563520. Its totient is φ = 48217680.

The previous prime is 145353253. The next prime is 145353311. The reversal of 145353258 is 852353541.

It is a super-2 number, since 2×145353258² = 42255139222429128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145353253) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5016 + ... + 17772.

It is an arithmetic number, because the mean of its divisors is an integer number (10142610).

Almost surely, 2^145353258 is an apocalyptic number.

145353258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

145353258 is an abundant number, since it is smaller than the sum of its proper divisors (179210262).

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

145353258 is a wasteful number, since it uses less digits than its factorization.

145353258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12979 (or 12973 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 145353258 is about 12056.2538958003. The cubic root of 145353258 is about 525.7850784794.

The spelling of 145353258 in words is "one hundred forty-five million, three hundred fifty-three thousand, two hundred fifty-eight".