145122836 has 24 divisors (see below), whose sum is σ = 267869280. Its totient is φ = 68604192.

The previous prime is 145122823. The next prime is 145122841. The reversal of 145122836 is 638221541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42986 + ... + 46238.

It is an arithmetic number, because the mean of its divisors is an integer number (11161220).

Almost surely, 2^145122836 is an apocalyptic number.

It is an amenable number.

145122836 is a deficient number, since it is larger than the sum of its proper divisors (122746444).

145122836 is a wasteful number, since it uses less digits than its factorization.

145122836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863 (or 3861 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 145122836 is about 12046.6939863184. The cubic root of 145122836 is about 525.5070970370.

The spelling of 145122836 in words is "one hundred forty-five million, one hundred twenty-two thousand, eight hundred thirty-six".