1451012345 has 16 divisors (see below), whose sum is σ = 1790102160. Its totient is φ = 1128422400.

The previous prime is 1451012317. The next prime is 1451012351. The reversal of 1451012345 is 5432101541.

It can be written as a sum of positive squares in 8 ways, for example, as 1763584 + 1449248761 = 1328^2 + 38069^2 .

It is not a de Polignac number, because 1451012345 - 2¹² = 1451008249 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, 45011 + ... + 70199.

It is an arithmetic number, because the mean of its divisors is an integer number (111881385).

Almost surely, 2^1451012345 is an apocalyptic number.

It is an amenable number.

1451012345 is a deficient number, since it is larger than the sum of its proper divisors (339089815).

1451012345 is a wasteful number, since it uses less digits than its factorization.

1451012345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25516.

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

The square root of 1451012345 is about 38092.1559510616. The cubic root of 1451012345 is about 1132.1145424785.

Adding to 1451012345 its reverse (5432101541), we get a palindrome (6883113886).

The spelling of 1451012345 in words is "one billion, four hundred fifty-one million, twelve thousand, three hundred forty-five".