1451203145 has 16 divisors (see below), whose sum is σ = 1992833280. Its totient is φ = 993804864.

The previous prime is 1451203133. The next prime is 1451203163. The reversal of 1451203145 is 5413021541.

It is a cyclic number.

It is not a de Polignac number, because 1451203145 - 2¹² = 1451199049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236 + ... + 53874.

It is an arithmetic number, because the mean of its divisors is an integer number (124552080).

Almost surely, 2^1451203145 is an apocalyptic number.

It is an amenable number.

1451203145 is a deficient number, since it is larger than the sum of its proper divisors (541630135).

1451203145 is an equidigital number, since it uses as much as digits as its factorization.

1451203145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54424.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1451203145 is about 38094.6603213626. The cubic root of 1451203145 is about 1132.1641625451.

Adding to 1451203145 its reverse (5413021541), we get a palindrome (6864224686).

The spelling of 1451203145 in words is "one billion, four hundred fifty-one million, two hundred three thousand, one hundred forty-five".