1455420151 has 4 divisors (see below), whose sum is σ = 1518699312. Its totient is φ = 1392140992.

The previous prime is 1455420149. The next prime is 1455420157. The reversal of 1455420151 is 1510245541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1455420151 - 2¹ = 1455420149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455420157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31639546 + ... + 31639591.

It is an arithmetic number, because the mean of its divisors is an integer number (379674828).

Almost surely, 2^1455420151 is an apocalyptic number.

1455420151 is a deficient number, since it is larger than the sum of its proper divisors (63279161).

1455420151 is an equidigital number, since it uses as much as digits as its factorization.

1455420151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63279160.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1455420151 is about 38149.9692136180. The cubic root of 1455420151 is about 1133.2597422131.

Adding to 1455420151 its reverse (1510245541), we get a palindrome (2965665692).

The spelling of 1455420151 in words is "one billion, four hundred fifty-five million, four hundred twenty thousand, one hundred fifty-one".