1455142023 has 8 divisors (see below), whose sum is σ = 2155766000. Its totient is φ = 970094664.

The previous prime is 1455142021. The next prime is 1455142027. The reversal of 1455142023 is 3202415541.

1455142023 is a `hidden beast` number, since 1 + 455 + 1 + 4 + 202 + 3 = 666.

It is not a de Polignac number, because 1455142023 - 2¹ = 1455142021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 53894149 = 1455142023 / (1 + 4 + 5 + 5 + 1 + 4 + 2 + 0 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455142021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26947048 + ... + 26947101.

It is an arithmetic number, because the mean of its divisors is an integer number (269470750).

Almost surely, 2^1455142023 is an apocalyptic number.

1455142023 is a deficient number, since it is larger than the sum of its proper divisors (700623977).

1455142023 is an equidigital number, since it uses as much as digits as its factorization.

1455142023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53894158 (or 53894152 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1455142023 is about 38146.3238464731. The cubic root of 1455142023 is about 1133.1875496931.

Adding to 1455142023 its reverse (3202415541), we get a palindrome (4657557564).

The spelling of 1455142023 in words is "one billion, four hundred fifty-five million, one hundred forty-two thousand, twenty-three".