1542654453 has 4 divisors (see below), whose sum is σ = 2056872608. Its totient is φ = 1028436300.

The previous prime is 1542654439. The next prime is 1542654473. The reversal of 1542654453 is 3544562451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1542654453 - 2¹⁰ = 1542653429 is a prime.

It is a super-2 number, since 2×1542654453² = 4759565522721458418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542654433) 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 in 3 ways as a sum of consecutive naturals, for example, 257109073 + ... + 257109078.

It is an arithmetic number, because the mean of its divisors is an integer number (514218152).

Almost surely, 2^1542654453 is an apocalyptic number.

It is an amenable number.

1542654453 is a deficient number, since it is larger than the sum of its proper divisors (514218155).

1542654453 is an equidigital number, since it uses as much as digits as its factorization.

1542654453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514218154.

The product of its digits is 288000, while the sum is 39.

The square root of 1542654453 is about 39276.6400421421. The cubic root of 1542654453 is about 1155.4634679784.

The spelling of 1542654453 in words is "one billion, five hundred forty-two million, six hundred fifty-four thousand, four hundred fifty-three".