1461229465 has 16 divisors (see below), whose sum is σ = 1786051008. Its totient is φ = 1147392576.

The previous prime is 1461229453. The next prime is 1461229481. The reversal of 1461229465 is 5649221641.

It is a cyclic number.

It is not a de Polignac number, because 1461229465 - 2⁵ = 1461229433 is a prime.

It is a Duffinian number.

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, 87099 + ... + 102511.

It is an arithmetic number, because the mean of its divisors is an integer number (111628188).

Almost surely, 2^1461229465 is an apocalyptic number.

It is an amenable number.

1461229465 is a deficient number, since it is larger than the sum of its proper divisors (324821543).

1461229465 is a wasteful number, since it uses less digits than its factorization.

1461229465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15768.

The product of its digits is 103680, while the sum is 40.

The square root of 1461229465 is about 38226.0312483522. The cubic root of 1461229465 is about 1134.7655437627.

The spelling of 1461229465 in words is "one billion, four hundred sixty-one million, two hundred twenty-nine thousand, four hundred sixty-five".