1531455045 has 16 divisors (see below), whose sum is σ = 2454820800. Its totient is φ = 815278464.

The previous prime is 1531455017. The next prime is 1531455059. The reversal of 1531455045 is 5405541351.

It is not a de Polignac number, because 1531455045 - 2⁸ = 1531454789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1531454997 and 1531455015.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 85120 + ... + 101529.

It is an arithmetic number, because the mean of its divisors is an integer number (153426300).

Almost surely, 2^1531455045 is an apocalyptic number.

1531455045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1531455045 is a deficient number, since it is larger than the sum of its proper divisors (923365755).

1531455045 is a wasteful number, since it uses less digits than its factorization.

1531455045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187204.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 1531455045 is about 39133.8094874496. The cubic root of 1531455045 is about 1152.6605181692.

Adding to 1531455045 its reverse (5405541351), we get a palindrome (6936996396).

The spelling of 1531455045 in words is "one billion, five hundred thirty-one million, four hundred fifty-five thousand, forty-five".