1051457645 has 16 divisors (see below), whose sum is σ = 1444435200. Its totient is φ = 719781504.

The previous prime is 1051457621. The next prime is 1051457647. The reversal of 1051457645 is 5467541501.

It is a cyclic number.

It is not a de Polignac number, because 1051457645 - 2¹² = 1051453549 is a prime.

It is a super-3 number, since 3×1051457645³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1051457599 and 1051457608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051457647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4112 + ... + 46041.

It is an arithmetic number, because the mean of its divisors is an integer number (90277200).

Almost surely, 2^1051457645 is an apocalyptic number.

It is an amenable number.

1051457645 is a deficient number, since it is larger than the sum of its proper divisors (392977555).

1051457645 is an equidigital number, since it uses as much as digits as its factorization.

1051457645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50764.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 1051457645 is about 32426.1876420895. The cubic root of 1051457645 is about 1016.8664711066.

The spelling of 1051457645 in words is "one billion, fifty-one million, four hundred fifty-seven thousand, six hundred forty-five".