145545258 has 32 divisors (see below), whose sum is σ = 302875200. Its totient is φ = 46570496.

The previous prime is 145545241. The next prime is 145545269. The reversal of 145545258 is 852545541.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28810 + ... + 33482.

It is an arithmetic number, because the mean of its divisors is an integer number (9464850).

Almost surely, 2^145545258 is an apocalyptic number.

145545258 is an abundant number, since it is smaller than the sum of its proper divisors (157329942).

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

145545258 is a wasteful number, since it uses less digits than its factorization.

145545258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4886.

The product of its digits is 160000, while the sum is 39.

The square root of 145545258 is about 12064.2139404107. The cubic root of 145545258 is about 526.0164832647.

The spelling of 145545258 in words is "one hundred forty-five million, five hundred forty-five thousand, two hundred fifty-eight".