1494157854 has 32 divisors (see below), whose sum is σ = 3419170560. Its totient is φ = 426408192.

The previous prime is 1494157817. The next prime is 1494157859. The reversal of 1494157854 is 4587514941.

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 15 ways as a sum of consecutive naturals, for example, 16942 + ... + 57230.

It is an arithmetic number, because the mean of its divisors is an integer number (106849080).

Almost surely, 2^1494157854 is an apocalyptic number.

1494157854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1494157854 is an abundant number, since it is smaller than the sum of its proper divisors (1925012706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1494157854 is a wasteful number, since it uses less digits than its factorization.

1494157854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41184.

The product of its digits is 806400, while the sum is 48.

The square root of 1494157854 is about 38654.3381006582. The cubic root of 1494157854 is about 1143.2261783844.

The spelling of 1494157854 in words is "one billion, four hundred ninety-four million, one hundred fifty-seven thousand, eight hundred fifty-four".