145042558 has 8 divisors (see below), whose sum is σ = 218522952. Its totient is φ = 72201576.

The previous prime is 145042549. The next prime is 145042603. The reversal of 145042558 is 855240541.

It is a happy number.

145042558 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159285 + ... + 160192.

It is an arithmetic number, because the mean of its divisors is an integer number (27315369).

Almost surely, 2^145042558 is an apocalyptic number.

145042558 is a deficient number, since it is larger than the sum of its proper divisors (73480394).

145042558 is a wasteful number, since it uses less digits than its factorization.

145042558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319706.

The product of its (nonzero) digits is 32000, while the sum is 34.

The square root of 145042558 is about 12043.3615739128. The cubic root of 145042558 is about 525.4101804268.

The spelling of 145042558 in words is "one hundred forty-five million, forty-two thousand, five hundred fifty-eight".