145552857052 has 24 divisors (see below), whose sum is σ = 260663942000. Its totient is φ = 71077741056.

The previous prime is 145552857031. The next prime is 145552857061. The reversal of 145552857052 is 250758255541.

It is a happy number.

145552857052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145552857052² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145552856987 and 145552857005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2403724 + ... + 2463532.

Almost surely, 2^145552857052 is an apocalyptic number.

It is an amenable number.

145552857052 is a deficient number, since it is larger than the sum of its proper divisors (115111084948).

145552857052 is a wasteful number, since it uses less digits than its factorization.

145552857052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74005 (or 74003 counting only the distinct ones).

The product of its (nonzero) digits is 2800000, while the sum is 49.

The spelling of 145552857052 in words is "one hundred forty-five billion, five hundred fifty-two million, eight hundred fifty-seven thousand, fifty-two".