1494937243 has 8 divisors (see below), whose sum is σ = 1498870800. Its totient is φ = 1491010560.

The previous prime is 1494937237. The next prime is 1494937267. The reversal of 1494937243 is 3427394941.

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 1494937243 - 2⁹ = 1494936731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1494937193 and 1494937202.

It is not an unprimeable number, because it can be changed into a prime (1494937343) 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, 1227771 + ... + 1228987.

It is an arithmetic number, because the mean of its divisors is an integer number (187358850).

Almost surely, 2^1494937243 is an apocalyptic number.

1494937243 is a deficient number, since it is larger than the sum of its proper divisors (3933557).

1494937243 is a wasteful number, since it uses less digits than its factorization.

1494937243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437.

The product of its digits is 653184, while the sum is 46.

The square root of 1494937243 is about 38664.4183067585. The cubic root of 1494937243 is about 1143.4249220055.

The spelling of 1494937243 in words is "one billion, four hundred ninety-four million, nine hundred thirty-seven thousand, two hundred forty-three".