1615450045 has 16 divisors (see below), whose sum is σ = 2115558720. Its totient is φ = 1174435200.

The previous prime is 1615450037. The next prime is 1615450049. The reversal of 1615450045 is 5400545161.

It is not a de Polignac number, because 1615450045 - 2³ = 1615450037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1615449989 and 1615450016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1615450049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256990 + ... + 263200.

It is an arithmetic number, because the mean of its divisors is an integer number (132222420).

Almost surely, 2^1615450045 is an apocalyptic number.

It is an amenable number.

1615450045 is a deficient number, since it is larger than the sum of its proper divisors (500108675).

1615450045 is a wasteful number, since it uses less digits than its factorization.

1615450045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10956.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 1615450045 is about 40192.6615814380. The cubic root of 1615450045 is about 1173.3597260675.

The spelling of 1615450045 in words is "one billion, six hundred fifteen million, four hundred fifty thousand, forty-five".