1542242452 has 6 divisors (see below), whose sum is σ = 2698924298. Its totient is φ = 771121224.

The previous prime is 1542242441. The next prime is 1542242453. The reversal of 1542242452 is 2542422451.

It can be written as a sum of positive squares in only one way, i.e., 1468728976 + 73513476 = 38324^2 + 8574^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542242453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192780303 + ... + 192780310.

Almost surely, 2^1542242452 is an apocalyptic number.

It is an amenable number.

1542242452 is a deficient number, since it is larger than the sum of its proper divisors (1156681846).

1542242452 is a wasteful number, since it uses less digits than its factorization.

1542242452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385560617 (or 385560615 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 1542242452 is about 39271.3948313528. The cubic root of 1542242452 is about 1155.3605945427.

The spelling of 1542242452 in words is "one billion, five hundred forty-two million, two hundred forty-two thousand, four hundred fifty-two".