245145558 has 16 divisors (see below), whose sum is σ = 560332800. Its totient is φ = 70041576.

The previous prime is 245145553. The next prime is 245145577. The reversal of 245145558 is 855541542.

It is a super-3 number, since 3×245145558³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245145553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2918358 + ... + 2918441.

It is an arithmetic number, because the mean of its divisors is an integer number (35020800).

Almost surely, 2^245145558 is an apocalyptic number.

245145558 is an abundant number, since it is smaller than the sum of its proper divisors (315187242).

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

245145558 is a wasteful number, since it uses less digits than its factorization.

245145558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836811.

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

The square root of 245145558 is about 15657.1248318457. The cubic root of 245145558 is about 625.8563689024.

The spelling of 245145558 in words is "two hundred forty-five million, one hundred forty-five thousand, five hundred fifty-eight".