1542102349 has 2 divisors, whose sum is σ = 1542102350. Its totient is φ = 1542102348.

The previous prime is 1542102337. The next prime is 1542102361. The reversal of 1542102349 is 9432012451.

It is a balanced prime because it is at equal distance from previous prime (1542102337) and next prime (1542102361).

It can be written as a sum of positive squares in only one way, i.e., 1529357449 + 12744900 = 39107^2 + 3570^2 .

It is an emirp because it is prime and its reverse (9432012451) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1542102349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1542102349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542102379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771051174 + 771051175.

It is an arithmetic number, because the mean of its divisors is an integer number (771051175).

Almost surely, 2^1542102349 is an apocalyptic number.

It is an amenable number.

1542102349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542102349 is an equidigital number, since it uses as much as digits as its factorization.

1542102349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1542102349 is about 39269.6110115697. The cubic root of 1542102349 is about 1155.3256077422.

It can be divided in two parts, 1542102 and 349, that added together give a palindrome (1542451).

The spelling of 1542102349 in words is "one billion, five hundred forty-two million, one hundred two thousand, three hundred forty-nine".