145225078 has 16 divisors (see below), whose sum is σ = 221929920. Its totient is φ = 71253000.

The previous prime is 145225063. The next prime is 145225081. The reversal of 145225078 is 870522541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123433 + ... + 124603.

It is an arithmetic number, because the mean of its divisors is an integer number (13870620).

Almost surely, 2^145225078 is an apocalyptic number.

145225078 is a deficient number, since it is larger than the sum of its proper divisors (76704842).

145225078 is a wasteful number, since it uses less digits than its factorization.

145225078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 145225078 is about 12050.9368100575. The cubic root of 145225078 is about 525.6304782252.

It can be divided in two parts, 14522 and 5078, that added together give a square (19600 = 140²).

The spelling of 145225078 in words is "one hundred forty-five million, two hundred twenty-five thousand, seventy-eight".