1493904345 has 16 divisors (see below), whose sum is σ = 2404563840. Its totient is φ = 791976704.

The previous prime is 1493904337. The next prime is 1493904371. The reversal of 1493904345 is 5434093941.

It is a cyclic number.

It is not a de Polignac number, because 1493904345 - 2³ = 1493904337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1493904297 and 1493904306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295680 + ... + 300689.

It is an arithmetic number, because the mean of its divisors is an integer number (150285240).

Almost surely, 2^1493904345 is an apocalyptic number.

1493904345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1493904345 is a deficient number, since it is larger than the sum of its proper divisors (910659495).

1493904345 is a wasteful number, since it uses less digits than its factorization.

1493904345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596544.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 1493904345 is about 38651.0587823930. The cubic root of 1493904345 is about 1143.1615188803.

It can be divided in two parts, 149390 and 4345, that added together give a triangular number (153735 = T₅₅₄).

The spelling of 1493904345 in words is "one billion, four hundred ninety-three million, nine hundred four thousand, three hundred forty-five".