1451343450 has 24 divisors (see below), whose sum is σ = 3599332128. Its totient is φ = 387024880.

The previous prime is 1451343349. The next prime is 1451343451. The reversal of 1451343450 is 543431541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1451343451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4837662 + ... + 4837961.

It is an arithmetic number, because the mean of its divisors is an integer number (149972172).

Almost surely, 2^1451343450 is an apocalyptic number.

1451343450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1451343450 is an abundant number, since it is smaller than the sum of its proper divisors (2147988678).

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

1451343450 is a wasteful number, since it uses less digits than its factorization.

1451343450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9675638 (or 9675633 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1451343450 is about 38096.5018079088. The cubic root of 1451343450 is about 1132.2006479433.

Adding to 1451343450 its reverse (543431541), we get a palindrome (1994774991).

The spelling of 1451343450 in words is "one billion, four hundred fifty-one million, three hundred forty-three thousand, four hundred fifty".