1450159457 has 4 divisors (see below), whose sum is σ = 1471803696. Its totient is φ = 1428515220.

The previous prime is 1450159441. The next prime is 1450159481. The reversal of 1450159457 is 7549510541.

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.

It is a cyclic number.

It is not a de Polignac number, because 1450159457 - 2⁴ = 1450159441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1450159427) 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, 10822019 + ... + 10822152.

It is an arithmetic number, because the mean of its divisors is an integer number (367950924).

Almost surely, 2^1450159457 is an apocalyptic number.

It is an amenable number.

1450159457 is a deficient number, since it is larger than the sum of its proper divisors (21644239).

1450159457 is an equidigital number, since it uses as much as digits as its factorization.

1450159457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21644238.

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 1450159457 is about 38080.9592447459. The cubic root of 1450159457 is about 1131.8926844643.

Adding to 1450159457 its reverse (7549510541), we get a palindrome (8999669998).

The spelling of 1450159457 in words is "one billion, four hundred fifty million, one hundred fifty-nine thousand, four hundred fifty-seven".