1494157853 has 8 divisors (see below), whose sum is σ = 1582818720. Its totient is φ = 1406499120.

The previous prime is 1494157817. The next prime is 1494157859. The reversal of 1494157853 is 3587514941.

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

It is a cyclic number.

It is not a de Polignac number, because 1494157853 - 2⁶ = 1494157789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1494157798 and 1494157807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494157859) 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, 247463 + ... + 253428.

It is an arithmetic number, because the mean of its divisors is an integer number (197852340).

Almost surely, 2^1494157853 is an apocalyptic number.

It is an amenable number.

1494157853 is a deficient number, since it is larger than the sum of its proper divisors (88660867).

1494157853 is a wasteful number, since it uses less digits than its factorization.

1494157853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501067.

The product of its digits is 604800, while the sum is 47.

The square root of 1494157853 is about 38654.3380877231. The cubic root of 1494157853 is about 1143.2261781293.

The spelling of 1494157853 in words is "one billion, four hundred ninety-four million, one hundred fifty-seven thousand, eight hundred fifty-three".