1142513045 has 8 divisors (see below), whose sum is σ = 1385150424. Its totient is φ = 904587264.

The previous prime is 1142513041. The next prime is 1142513081. The reversal of 1142513045 is 5403152411.

It can be written as a sum of positive squares in 4 ways, for example, as 45711121 + 1096801924 = 6761^2 + 33118^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142513045 - 2² = 1142513041 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142513041) 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, 1177364 + ... + 1178333.

It is an arithmetic number, because the mean of its divisors is an integer number (173143803).

Almost surely, 2^1142513045 is an apocalyptic number.

It is an amenable number.

1142513045 is a deficient number, since it is larger than the sum of its proper divisors (242637379).

1142513045 is an equidigital number, since it uses as much as digits as its factorization.

1142513045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355799.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1142513045 is about 33801.0805300659. The cubic root of 1142513045 is about 1045.4109766789.

Adding to 1142513045 its reverse (5403152411), we get a palindrome (6545665456).

The spelling of 1142513045 in words is "one billion, one hundred forty-two million, five hundred thirteen thousand, forty-five".