145851836 has 12 divisors (see below), whose sum is σ = 274874712. Its totient is φ = 67316208.

The previous prime is 145851799. The next prime is 145851841. The reversal of 145851836 is 638158541.

It is a junction number, because it is equal to n+sod(n) for n = 145851793 and 145851802.

It is a congruent number.

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, 1402370 + ... + 1402473.

It is an arithmetic number, because the mean of its divisors is an integer number (22906226).

Almost surely, 2^145851836 is an apocalyptic number.

It is an amenable number.

145851836 is a deficient number, since it is larger than the sum of its proper divisors (129022876).

145851836 is a wasteful number, since it uses less digits than its factorization.

145851836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804860 (or 2804858 counting only the distinct ones).

The product of its digits is 115200, while the sum is 41.

The square root of 145851836 is about 12076.9133473748. The cubic root of 145851836 is about 526.3855597197.

The spelling of 145851836 in words is "one hundred forty-five million, eight hundred fifty-one thousand, eight hundred thirty-six".