1516042045 has 16 divisors (see below), whose sum is σ = 2082643200. Its totient is φ = 1037821824.

The previous prime is 1516042009. The next prime is 1516042049. The reversal of 1516042045 is 5402406151.

It is a cyclic number.

It is not a de Polignac number, because 1516042045 - 2⁹ = 1516041533 is a prime.

It is a super-3 number, since 3×1516042045³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516042049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15192 + ... + 57121.

It is an arithmetic number, because the mean of its divisors is an integer number (130165200).

Almost surely, 2^1516042045 is an apocalyptic number.

It is an amenable number.

1516042045 is a deficient number, since it is larger than the sum of its proper divisors (566601155).

1516042045 is an equidigital number, since it uses as much as digits as its factorization.

1516042045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72924.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1516042045 is about 38936.3845907655. The cubic root of 1516042045 is about 1148.7805713022.

Adding to 1516042045 its reverse (5402406151), we get a palindrome (6918448196).

The spelling of 1516042045 in words is "one billion, five hundred sixteen million, forty-two thousand, forty-five".