1045451051 has 4 divisors (see below), whose sum is σ = 1045545000. Its totient is φ = 1045357104.

The previous prime is 1045451047. The next prime is 1045451059. The reversal of 1045451051 is 1501545401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1501545401 = 3761 ⋅399241.

It is a cyclic number.

It is not a de Polignac number, because 1045451051 - 2² = 1045451047 is a prime.

It is a super-3 number, since 3×1045451051³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1045451051.

It is not an unprimeable number, because it can be changed into a prime (1045451059) 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, 27626 + ... + 53423.

It is an arithmetic number, because the mean of its divisors is an integer number (261386250).

Almost surely, 2^1045451051 is an apocalyptic number.

1045451051 is a deficient number, since it is larger than the sum of its proper divisors (93949).

1045451051 is an equidigital number, since it uses as much as digits as its factorization.

1045451051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93948.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1045451051 is about 32333.4354964022. The cubic root of 1045451051 is about 1014.9264430990.

Adding to 1045451051 its reverse (1501545401), we get a palindrome (2546996452).

The spelling of 1045451051 in words is "one billion, forty-five million, four hundred fifty-one thousand, fifty-one".