1535423155 has 16 divisors (see below), whose sum is σ = 2216551680. Its totient is φ = 997447392.

The previous prime is 1535423101. The next prime is 1535423161. The reversal of 1535423155 is 5513245351.

It is a cyclic number.

It is not a de Polignac number, because 1535423155 - 2¹⁵ = 1535390387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1535423155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1153789 + ... + 1155118.

It is an arithmetic number, because the mean of its divisors is an integer number (138534480).

Almost surely, 2^1535423155 is an apocalyptic number.

1535423155 is a deficient number, since it is larger than the sum of its proper divisors (681128525).

1535423155 is a wasteful number, since it uses less digits than its factorization.

1535423155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308938.

The product of its digits is 45000, while the sum is 34.

The square root of 1535423155 is about 39184.4759439245. The cubic root of 1535423155 is about 1153.6552016241.

The spelling of 1535423155 in words is "one billion, five hundred thirty-five million, four hundred twenty-three thousand, one hundred fifty-five".