1533542402 has 32 divisors (see below), whose sum is σ = 2784996480. Its totient is φ = 618658560.

The previous prime is 1533542401. The next prime is 1533542407. The reversal of 1533542402 is 2042453351.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1533542401) 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, 23402 + ... + 60122.

It is an arithmetic number, because the mean of its divisors is an integer number (87031140).

Almost surely, 2^1533542402 is an apocalyptic number.

1533542402 is a deficient number, since it is larger than the sum of its proper divisors (1251454078).

1533542402 is a wasteful number, since it uses less digits than its factorization.

1533542402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36906.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1533542402 is about 39160.4698899285. The cubic root of 1533542402 is about 1153.1839684466.

Adding to 1533542402 its reverse (2042453351), we get a palindrome (3575995753).

The spelling of 1533542402 in words is "one billion, five hundred thirty-three million, five hundred forty-two thousand, four hundred two".