2145462464 has 28 divisors (see below), whose sum is σ = 4372471824. Its totient is φ = 1043737344.

The previous prime is 2145462461. The next prime is 2145462479. The reversal of 2145462464 is 4642645412.

It is not an unprimeable number, because it can be changed into a prime (2145462461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450644 + ... + 455379.

It is an arithmetic number, because the mean of its divisors is an integer number (156159708).

Almost surely, 2^2145462464 is an apocalyptic number.

It is an amenable number.

2145462464 is an abundant number, since it is smaller than the sum of its proper divisors (2227009360).

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

2145462464 is an equidigital number, since it uses as much as digits as its factorization.

2145462464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906072 (or 906062 counting only the distinct ones).

The product of its digits is 184320, while the sum is 38.

The square root of 2145462464 is about 46319.1371249508. The cubic root of 2145462464 is about 1289.7542676376.

The spelling of 2145462464 in words is "two billion, one hundred forty-five million, four hundred sixty-two thousand, four hundred sixty-four".