2451554045 has 4 divisors (see below), whose sum is σ = 2941864860. Its totient is φ = 1961243232.

The previous prime is 2451554011. The next prime is 2451554047. The reversal of 2451554045 is 5404551542.

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 261501241 + 2190052804 = 16171^2 + 46798^2 .

It is a cyclic number.

It is not a de Polignac number, because 2451554045 - 2¹² = 2451549949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2451553996 and 2451554014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451554047) 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, 245155400 + ... + 245155409.

It is an arithmetic number, because the mean of its divisors is an integer number (735466215).

Almost surely, 2^2451554045 is an apocalyptic number.

It is an amenable number.

2451554045 is a deficient number, since it is larger than the sum of its proper divisors (490310815).

2451554045 is an equidigital number, since it uses as much as digits as its factorization.

2451554045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490310814.

The product of its (nonzero) digits is 80000, while the sum is 35.

The square root of 2451554045 is about 49513.1704195964. The cubic root of 2451554045 is about 1348.3847247008.

The spelling of 2451554045 in words is "two billion, four hundred fifty-one million, five hundred fifty-four thousand, forty-five".