1455132761 has 4 divisors (see below), whose sum is σ = 1455326592. Its totient is φ = 1454938932.

The previous prime is 1455132751. The next prime is 1455132769. The reversal of 1455132761 is 1672315541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1672315541 = 13 ⋅128639657.

It is a cyclic number.

It is not a de Polignac number, because 1455132761 - 2¹⁰ = 1455131737 is a prime.

It is a super-2 number, since 2×1455132761² = 4234822704270966242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1455132769) 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, 85181 + ... + 100826.

It is an arithmetic number, because the mean of its divisors is an integer number (363831648).

Almost surely, 2^1455132761 is an apocalyptic number.

It is an amenable number.

1455132761 is a deficient number, since it is larger than the sum of its proper divisors (193831).

1455132761 is an equidigital number, since it uses as much as digits as its factorization.

1455132761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193830.

The product of its digits is 25200, while the sum is 35.

The square root of 1455132761 is about 38146.2024453287. The cubic root of 1455132761 is about 1133.1851454363.

The spelling of 1455132761 in words is "one billion, four hundred fifty-five million, one hundred thirty-two thousand, seven hundred sixty-one".