145164541652 has 12 divisors (see below), whose sum is σ = 273579328596. Its totient is φ = 66999019200.

The previous prime is 145164541603. The next prime is 145164541771. The reversal of 145164541652 is 256145461541.

It can be written as a sum of positive squares in 2 ways, for example, as 78335053456 + 66829488196 = 279884^2 + 258514^2 .

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, 1395812849 + ... + 1395812952.

It is an arithmetic number, because the mean of its divisors is an integer number (22798277383).

Almost surely, 2^145164541652 is an apocalyptic number.

It is an amenable number.

145164541652 is a deficient number, since it is larger than the sum of its proper divisors (128414786944).

145164541652 is a wasteful number, since it uses less digits than its factorization.

145164541652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791625818 (or 2791625816 counting only the distinct ones).

The product of its digits is 576000, while the sum is 44.

The spelling of 145164541652 in words is "one hundred forty-five billion, one hundred sixty-four million, five hundred forty-one thousand, six hundred fifty-two".