145623735275252 has 12 divisors (see below), whose sum is σ = 274444731864996. Its totient is φ = 67210954742400.

The previous prime is 145623735275143. The next prime is 145623735275261. The reversal of 145623735275252 is 252572537326541.

It can be written as a sum of positive squares in 2 ways, for example, as 91490104982116 + 54133630293136 = 9565046^2 + 7357556^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145623735275191 and 145623735275200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400228223749 + ... + 1400228223852.

It is an arithmetic number, because the mean of its divisors is an integer number (22870394322083).

Almost surely, 2^{145623735275252} is an apocalyptic number.

It is an amenable number.

145623735275252 is a deficient number, since it is larger than the sum of its proper divisors (128820996589744).

145623735275252 is a wasteful number, since it uses less digits than its factorization.

145623735275252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800456447618 (or 2800456447616 counting only the distinct ones).

The product of its digits is 105840000, while the sum is 59.

The spelling of 145623735275252 in words is "one hundred forty-five trillion, six hundred twenty-three billion, seven hundred thirty-five million, two hundred seventy-five thousand, two hundred fifty-two".