145552453546 has 8 divisors (see below), whose sum is σ = 218474919684. Its totient is φ = 72727480320.

The previous prime is 145552453537. The next prime is 145552453633. The reversal of 145552453546 is 645354255541.

It can be written as a sum of positive squares in 2 ways, for example, as 144647105625 + 905347921 = 380325^2 + 30089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 145552453546.

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, 24369495 + ... + 24375466.

Almost surely, 2^145552453546 is an apocalyptic number.

145552453546 is a deficient number, since it is larger than the sum of its proper divisors (72922466138).

145552453546 is a wasteful number, since it uses less digits than its factorization.

145552453546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48746456.

The product of its digits is 7200000, while the sum is 49.

The spelling of 145552453546 in words is "one hundred forty-five billion, five hundred fifty-two million, four hundred fifty-three thousand, five hundred forty-six".