1552145535452 has 48 divisors (see below), whose sum is σ = 2888006879520. Its totient is φ = 727385444352.

The previous prime is 1552145535449. The next prime is 1552145535481. The reversal of 1552145535452 is 2545355412551.

It is a junction number, because it is equal to n+sod(n) for n = 1552145535397 and 1552145535406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21714323 + ... + 21785685.

It is an arithmetic number, because the mean of its divisors is an integer number (60166809990).

Almost surely, 2^{1552145535452} is an apocalyptic number.

It is an amenable number.

1552145535452 is a deficient number, since it is larger than the sum of its proper divisors (1335861344068).

1552145535452 is a wasteful number, since it uses less digits than its factorization.

1552145535452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72710 (or 72708 counting only the distinct ones).

The product of its digits is 3000000, while the sum is 47.

The spelling of 1552145535452 in words is "one trillion, five hundred fifty-two billion, one hundred forty-five million, five hundred thirty-five thousand, four hundred fifty-two".