145718226 has 24 divisors (see below), whose sum is σ = 315950544. Its totient is φ = 48537720.

The previous prime is 145718219. The next prime is 145718249. The reversal of 145718226 is 622817541.

145718226 is a `hidden beast` number, since 1 + 4 + 571 + 82 + 2 + 6 = 666.

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 11 ways as a sum of consecutive naturals, for example, 39021 + ... + 42591.

It is an arithmetic number, because the mean of its divisors is an integer number (13164606).

Almost surely, 2^145718226 is an apocalyptic number.

145718226 is an abundant number, since it is smaller than the sum of its proper divisors (170232318).

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

145718226 is a wasteful number, since it uses less digits than its factorization.

145718226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5846 (or 5843 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 145718226 is about 12071.3804512988. The cubic root of 145718226 is about 526.2247758648.

It can be divided in two parts, 1457 and 18226, that added together give a 9-th power (19683 = 3⁹).

The spelling of 145718226 in words is "one hundred forty-five million, seven hundred eighteen thousand, two hundred twenty-six".