145245558 has 16 divisors (see below), whose sum is σ = 291709440. Its totient is φ = 48212136.

The previous prime is 145245533. The next prime is 145245563. The reversal of 145245558 is 855542541.

It is a super-3 number, since 3×145245558³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49210 + ... + 52077.

It is an arithmetic number, because the mean of its divisors is an integer number (18231840).

Almost surely, 2^145245558 is an apocalyptic number.

145245558 is an abundant number, since it is smaller than the sum of its proper divisors (146463882).

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

145245558 is a wasteful number, since it uses less digits than its factorization.

145245558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101531.

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

The square root of 145245558 is about 12051.7865065724. The cubic root of 145245558 is about 525.6551856342.

The spelling of 145245558 in words is "one hundred forty-five million, two hundred forty-five thousand, five hundred fifty-eight".