1145202542 has 16 divisors (see below), whose sum is σ = 1972598400. Its totient is φ = 493149240.

The previous prime is 1145202533. The next prime is 1145202559. The reversal of 1145202542 is 2452025411.

It is a super-2 number, since 2×1145202542² = 2622977724406523528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1369442 + ... + 1370277.

It is an arithmetic number, because the mean of its divisors is an integer number (123287400).

Almost surely, 2^1145202542 is an apocalyptic number.

1145202542 is a deficient number, since it is larger than the sum of its proper divisors (827395858).

1145202542 is a wasteful number, since it uses less digits than its factorization.

1145202542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739751.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1145202542 is about 33840.8413311490. The cubic root of 1145202542 is about 1046.2306394883.

Adding to 1145202542 its reverse (2452025411), we get a palindrome (3597227953).

The spelling of 1145202542 in words is "one billion, one hundred forty-five million, two hundred two thousand, five hundred forty-two".