1542349453 has 8 divisors (see below), whose sum is σ = 1628752320. Its totient is φ = 1456469280.

The previous prime is 1542349399. The next prime is 1542349481. The reversal of 1542349453 is 3549432451.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1542349453 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 (1542349493) 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, 124600 + ... + 136417.

It is an arithmetic number, because the mean of its divisors is an integer number (203594040).

Almost surely, 2^1542349453 is an apocalyptic number.

It is an amenable number.

1542349453 is a deficient number, since it is larger than the sum of its proper divisors (86402867).

1542349453 is a wasteful number, since it uses less digits than its factorization.

1542349453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261347.

The product of its digits is 259200, while the sum is 40.

The square root of 1542349453 is about 39272.7571351949. The cubic root of 1542349453 is about 1155.3873136188.

The spelling of 1542349453 in words is "one billion, five hundred forty-two million, three hundred forty-nine thousand, four hundred fifty-three".