1445353652 has 12 divisors (see below), whose sum is σ = 2540415780. Its totient is φ = 719520576.

The previous prime is 1445353643. The next prime is 1445353661. The reversal of 1445353652 is 2563535441.

It is an interprime number because it is at equal distance from previous prime (1445353643) and next prime (1445353661).

It can be written as a sum of positive squares in 2 ways, for example, as 1414060816 + 31292836 = 37604^2 + 5594^2 .

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, 788033 + ... + 789864.

It is an arithmetic number, because the mean of its divisors is an integer number (211701315).

Almost surely, 2^1445353652 is an apocalyptic number.

It is an amenable number.

1445353652 is a deficient number, since it is larger than the sum of its proper divisors (1095062128).

1445353652 is a wasteful number, since it uses less digits than its factorization.

1445353652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578130 (or 1578128 counting only the distinct ones).

The product of its digits is 216000, while the sum is 38.

The square root of 1445353652 is about 38017.8070382814. The cubic root of 1445353652 is about 1130.6409426735.

The spelling of 1445353652 in words is "one billion, four hundred forty-five million, three hundred fifty-three thousand, six hundred fifty-two".