154565045 has 4 divisors (see below), whose sum is σ = 185478060. Its totient is φ = 123652032.

The previous prime is 154565027. The next prime is 154565051. The reversal of 154565045 is 540565451.

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 99181681 + 55383364 = 9959^2 + 7442^2 .

It is a cyclic number.

It is not a de Polignac number, because 154565045 - 2¹⁰ = 154564021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154564996 and 154565014.

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, 15456500 + ... + 15456509.

It is an arithmetic number, because the mean of its divisors is an integer number (46369515).

Almost surely, 2^154565045 is an apocalyptic number.

It is an amenable number.

154565045 is a deficient number, since it is larger than the sum of its proper divisors (30913015).

154565045 is an equidigital number, since it uses as much as digits as its factorization.

154565045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30913014.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 154565045 is about 12432.4191129482. The cubic root of 154565045 is about 536.6656042484.

The spelling of 154565045 in words is "one hundred fifty-four million, five hundred sixty-five thousand, forty-five".