145226684 has 12 divisors (see below), whose sum is σ = 254475144. Its totient is φ = 72519504.

The previous prime is 145226681. The next prime is 145226687. The reversal of 145226684 is 486622541.

It is an interprime number because it is at equal distance from previous prime (145226681) and next prime (145226687).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145226681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19919 + ... + 26214.

It is an arithmetic number, because the mean of its divisors is an integer number (21206262).

Almost surely, 2^145226684 is an apocalyptic number.

It is an amenable number.

145226684 is a deficient number, since it is larger than the sum of its proper divisors (109248460).

145226684 is a wasteful number, since it uses less digits than its factorization.

145226684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46924 (or 46922 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 145226684 is about 12051.0034436971. The cubic root of 145226684 is about 525.6324158140.

The spelling of 145226684 in words is "one hundred forty-five million, two hundred twenty-six thousand, six hundred eighty-four".