1345719465 has 24 divisors (see below), whose sum is σ = 2349372480. Its totient is φ = 712550304.

The previous prime is 1345719413. The next prime is 1345719481. The reversal of 1345719465 is 5649175431.

1345719465 is a `hidden beast` number, since 1 + 3 + 457 + 194 + 6 + 5 = 666.

It is not a de Polignac number, because 1345719465 - 2⁸ = 1345719209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1345719465.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101317 + ... + 113826.

It is an arithmetic number, because the mean of its divisors is an integer number (97890520).

Almost surely, 2^1345719465 is an apocalyptic number.

1345719465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345719465 is a deficient number, since it is larger than the sum of its proper divisors (1003653015).

1345719465 is a wasteful number, since it uses less digits than its factorization.

1345719465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215293 (or 215290 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 1345719465 is about 36684.0491903497. The cubic root of 1345719465 is about 1104.0400923728.

The spelling of 1345719465 in words is "one billion, three hundred forty-five million, seven hundred nineteen thousand, four hundred sixty-five".