7457245851 has 24 divisors (see below), whose sum is σ = 10976106960. Its totient is φ = 4500094720.

The previous prime is 7457245849. The next prime is 7457245879. The reversal of 7457245851 is 1585427547.

It is not a de Polignac number, because 7457245851 - 2¹ = 7457245849 is a prime.

It is a super-2 number, since 2×7457245851² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7457245851.

It is not an unprimeable number, because it can be changed into a prime (7457245651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40495 + ... + 128663.

It is an arithmetic number, because the mean of its divisors is an integer number (457337790).

Almost surely, 2^7457245851 is an apocalyptic number.

7457245851 is a deficient number, since it is larger than the sum of its proper divisors (3518861109).

7457245851 is a wasteful number, since it uses less digits than its factorization.

7457245851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88427 (or 88416 counting only the distinct ones).

The product of its digits is 1568000, while the sum is 48.

The square root of 7457245851 is about 86355.3463949975. The cubic root of 7457245851 is about 1953.7072451981.

The spelling of 7457245851 in words is "seven billion, four hundred fifty-seven million, two hundred forty-five thousand, eight hundred fifty-one".