1142362451 has 2 divisors, whose sum is σ = 1142362452. Its totient is φ = 1142362450.

The previous prime is 1142362421. The next prime is 1142362489. The reversal of 1142362451 is 1542632411.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142362451 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1142362411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571181225 + 571181226.

It is an arithmetic number, because the mean of its divisors is an integer number (571181226).

Almost surely, 2^1142362451 is an apocalyptic number.

1142362451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142362451 is an equidigital number, since it uses as much as digits as its factorization.

1142362451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 29.

The square root of 1142362451 is about 33798.8528059755. The cubic root of 1142362451 is about 1045.3650429836.

Adding to 1142362451 its reverse (1542632411), we get a palindrome (2684994862).

The spelling of 1142362451 in words is "one billion, one hundred forty-two million, three hundred sixty-two thousand, four hundred fifty-one".