1455421434 has 64 divisors (see below), whose sum is σ = 3069964800. Its totient is φ = 459365312.

The previous prime is 1455421427. The next prime is 1455421469. The reversal of 1455421434 is 4341245541.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1455421395 and 1455421404.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2584837 + ... + 2585399.

It is an arithmetic number, because the mean of its divisors is an integer number (47968200).

Almost surely, 2^1455421434 is an apocalyptic number.

1455421434 is an abundant number, since it is smaller than the sum of its proper divisors (1614543366).

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

1455421434 is a wasteful number, since it uses less digits than its factorization.

1455421434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859.

The product of its digits is 38400, while the sum is 33.

The square root of 1455421434 is about 38149.9860288310. The cubic root of 1455421434 is about 1133.2600752148.

Adding to 1455421434 its reverse (4341245541), we get a palindrome (5796666975).

The spelling of 1455421434 in words is "one billion, four hundred fifty-five million, four hundred twenty-one thousand, four hundred thirty-four".