1494637152 has 48 divisors (see below), whose sum is σ = 4094012160. Its totient is φ = 476550272.

The previous prime is 1494637121. The next prime is 1494637159. The reversal of 1494637152 is 2517364941.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1494637152² = 4467880432277342208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494637159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336252 + ... + 340667.

It is an arithmetic number, because the mean of its divisors is an integer number (85291920).

Almost surely, 2^1494637152 is an apocalyptic number.

1494637152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1494637152 is an abundant number, since it is smaller than the sum of its proper divisors (2599375008).

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

1494637152 is a wasteful number, since it uses less digits than its factorization.

1494637152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676955 (or 676947 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 1494637152 is about 38660.5373992654. The cubic root of 1494637152 is about 1143.3484072014.

The spelling of 1494637152 in words is "one billion, four hundred ninety-four million, six hundred thirty-seven thousand, one hundred fifty-two".