145125886 has 16 divisors (see below), whose sum is σ = 221438736. Its totient is φ = 71318016.

The previous prime is 145125863. The next prime is 145125887. The reversal of 145125886 is 688521541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145125887) 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, 76380 + ... + 78256.

It is an arithmetic number, because the mean of its divisors is an integer number (13839921).

Almost surely, 2^145125886 is an apocalyptic number.

145125886 is a deficient number, since it is larger than the sum of its proper divisors (76312850).

145125886 is a wasteful number, since it uses less digits than its factorization.

145125886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523.

The product of its digits is 76800, while the sum is 40.

The square root of 145125886 is about 12046.8205764011. The cubic root of 145125886 is about 525.5107784824.

The spelling of 145125886 in words is "one hundred forty-five million, one hundred twenty-five thousand, eight hundred eighty-six".