1464345945 has 56 divisors (see below), whose sum is σ = 2749323456. Its totient is φ = 746985888.

The previous prime is 1464345943. The next prime is 1464345997. The reversal of 1464345945 is 5495434641.

1464345945 is a `hidden beast` number, since 14 + 6 + 43 + 4 + 594 + 5 = 666.

It is not a de Polignac number, because 1464345945 - 2¹ = 1464345943 is a prime.

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

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 1464345945.

It is not an unprimeable number, because it can be changed into a prime (1464345943) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 75102 + ... + 92568.

Almost surely, 2^1464345945 is an apocalyptic number.

1464345945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1464345945 is a deficient number, since it is larger than the sum of its proper divisors (1284977511).

1464345945 is an equidigital number, since it uses as much as digits as its factorization.

1464345945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17513 (or 17498 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 1464345945 is about 38266.7733810939. The cubic root of 1464345945 is about 1135.5717057443.

The spelling of 1464345945 in words is "one billion, four hundred sixty-four million, three hundred forty-five thousand, nine hundred forty-five".