145167844 has 12 divisors (see below), whose sum is σ = 254217600. Its totient is φ = 72534248.

The previous prime is 145167829. The next prime is 145167851. The reversal of 145167844 is 448761541.

It is a junction number, because it is equal to n+sod(n) for n = 145167797 and 145167806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5404 + ... + 17875.

It is an arithmetic number, because the mean of its divisors is an integer number (21184800).

Almost surely, 2^145167844 is an apocalyptic number.

It is an amenable number.

145167844 is a deficient number, since it is larger than the sum of its proper divisors (109049756).

145167844 is a wasteful number, since it uses less digits than its factorization.

145167844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24842 (or 24840 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 145167844 is about 12048.5619058874. The cubic root of 145167844 is about 525.5614178670.

The spelling of 145167844 in words is "one hundred forty-five million, one hundred sixty-seven thousand, eight hundred forty-four".