1540151545 has 16 divisors (see below), whose sum is σ = 1861660800. Its totient is φ = 1223164800.

The previous prime is 1540151513. The next prime is 1540151549. The reversal of 1540151545 is 5451510451.

It is not a de Polignac number, because 1540151545 - 2⁵ = 1540151513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1540151549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516910 + ... + 519880.

It is an arithmetic number, because the mean of its divisors is an integer number (116353800).

Almost surely, 2^1540151545 is an apocalyptic number.

It is an amenable number.

1540151545 is a deficient number, since it is larger than the sum of its proper divisors (321509255).

1540151545 is a wasteful number, since it uses less digits than its factorization.

1540151545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696.

The product of its (nonzero) digits is 10000, while the sum is 31.

The square root of 1540151545 is about 39244.7645552881. The cubic root of 1540151545 is about 1154.8382287502.

Adding to 1540151545 its reverse (5451510451), we get a palindrome (6991661996).

The spelling of 1540151545 in words is "one billion, five hundred forty million, one hundred fifty-one thousand, five hundred forty-five".