1145402102 has 16 divisors (see below), whose sum is σ = 1851196032. Its totient is φ = 528381120.

The previous prime is 1145402101. The next prime is 1145402131. The reversal of 1145402102 is 2012045411.

It is a happy number.

It is a super-3 number, since 3×1145402102³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145402101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47402 + ... + 67362.

It is an arithmetic number, because the mean of its divisors is an integer number (115699752).

Almost surely, 2^1145402102 is an apocalyptic number.

1145402102 is a deficient number, since it is larger than the sum of its proper divisors (705793930).

1145402102 is a wasteful number, since it uses less digits than its factorization.

1145402102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22183.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1145402102 is about 33843.7897109647. The cubic root of 1145402102 is about 1046.2914070971.

Adding to 1145402102 its reverse (2012045411), we get a palindrome (3157447513).

The spelling of 1145402102 in words is "one billion, one hundred forty-five million, four hundred two thousand, one hundred two".