1234145554 has 4 divisors (see below), whose sum is σ = 1851218334. Its totient is φ = 617072776.

The previous prime is 1234145527. The next prime is 1234145567. The reversal of 1234145554 is 4555414321.

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

It can be written as a sum of positive squares in only one way, i.e., 1226610529 + 7535025 = 35023^2 + 2745^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308536387 + ... + 308536390.

Almost surely, 2^1234145554 is an apocalyptic number.

1234145554 is a deficient number, since it is larger than the sum of its proper divisors (617072780).

1234145554 is an equidigital number, since it uses as much as digits as its factorization.

1234145554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617072779.

The product of its digits is 48000, while the sum is 34.

The square root of 1234145554 is about 35130.4078256999. The cubic root of 1234145554 is about 1072.6436374111.

Adding to 1234145554 its reverse (4555414321), we get a palindrome (5789559875).

The spelling of 1234145554 in words is "one billion, two hundred thirty-four million, one hundred forty-five thousand, five hundred fifty-four".