154045427 has 4 divisors (see below), whose sum is σ = 155901480. Its totient is φ = 152189376.

The previous prime is 154045373. The next prime is 154045433. The reversal of 154045427 is 724540451.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154045427 is a prime.

It is a super-2 number, since 2×154045427² = 47459987159224658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154045393 and 154045402.

It is not an unprimeable number, because it can be changed into a prime (154045457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927902 + ... + 928067.

It is an arithmetic number, because the mean of its divisors is an integer number (38975370).

Almost surely, 2^154045427 is an apocalyptic number.

154045427 is a deficient number, since it is larger than the sum of its proper divisors (1856053).

154045427 is an equidigital number, since it uses as much as digits as its factorization.

154045427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856052.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 154045427 is about 12411.5038170239. The cubic root of 154045427 is about 536.0635401673.

Adding to 154045427 its reverse (724540451), we get a palindrome (878585878).

The spelling of 154045427 in words is "one hundred fifty-four million, forty-five thousand, four hundred twenty-seven".