154000045 has 4 divisors (see below), whose sum is σ = 184800060. Its totient is φ = 123200032.

The previous prime is 154000039. The next prime is 154000057. The reversal of 154000045 is 540000451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23629321 + 130370724 = 4861^2 + 11418^2 .

It is a cyclic number.

It is not a de Polignac number, because 154000045 - 2¹¹ = 153997997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 153999986 and 154000031.

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, 15400000 + ... + 15400009.

It is an arithmetic number, because the mean of its divisors is an integer number (46200015).

Almost surely, 2^154000045 is an apocalyptic number.

It is an amenable number.

154000045 is a deficient number, since it is larger than the sum of its proper divisors (30800015).

154000045 is an equidigital number, since it uses as much as digits as its factorization.

154000045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30800014.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 154000045 is about 12409.6754590924. The cubic root of 154000045 is about 536.0108933054.

Adding to 154000045 its reverse (540000451), we get a palindrome (694000496).

The spelling of 154000045 in words is "one hundred fifty-four million, forty-five", and thus it is an aban number.