1534554145 has 4 divisors (see below), whose sum is σ = 1841464980. Its totient is φ = 1227643312.

The previous prime is 1534554121. The next prime is 1534554179. The reversal of 1534554145 is 5414554351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5414554351 = 11827 ⋅457813.

It can be written as a sum of positive squares in 2 ways, for example, as 230766481 + 1303787664 = 15191^2 + 36108^2 .

It is a cyclic number.

It is not a de Polignac number, because 1534554145 - 2⁷ = 1534554017 is a prime.

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, 153455410 + ... + 153455419.

It is an arithmetic number, because the mean of its divisors is an integer number (460366245).

Almost surely, 2^1534554145 is an apocalyptic number.

It is an amenable number.

1534554145 is a deficient number, since it is larger than the sum of its proper divisors (306910835).

1534554145 is an equidigital number, since it uses as much as digits as its factorization.

1534554145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306910834.

The product of its digits is 120000, while the sum is 37.

The square root of 1534554145 is about 39173.3856719074. The cubic root of 1534554145 is about 1153.4375141634.

The spelling of 1534554145 in words is "one billion, five hundred thirty-four million, five hundred fifty-four thousand, one hundred forty-five".