1554252045 has 32 divisors (see below), whose sum is σ = 2537533440. Its totient is φ = 812120640.

The previous prime is 1554252043. The next prime is 1554252097. The reversal of 1554252045 is 5402524551.

It is not a de Polignac number, because 1554252045 - 2¹ = 1554252043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1554251997 and 1554252015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1554252043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272412 + ... + 278058.

It is an arithmetic number, because the mean of its divisors is an integer number (79297920).

Almost surely, 2^1554252045 is an apocalyptic number.

1554252045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1554252045 is a deficient number, since it is larger than the sum of its proper divisors (983281395).

1554252045 is a wasteful number, since it uses less digits than its factorization.

1554252045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025.

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 1554252045 is about 39424.0034116273. The cubic root of 1554252045 is about 1158.3518123213.

Adding to 1554252045 its reverse (5402524551), we get a palindrome (6956776596).

The spelling of 1554252045 in words is "one billion, five hundred fifty-four million, two hundred fifty-two thousand, forty-five".