7157451245 has 16 divisors (see below), whose sum is σ = 9886558080. Its totient is φ = 4872654144.

The previous prime is 7157451241. The next prime is 7157451263. The reversal of 7157451245 is 5421547517.

It is a cyclic number.

It is not a de Polignac number, because 7157451245 - 2² = 7157451241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7157451241) 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, 730742 + ... + 740471.

It is an arithmetic number, because the mean of its divisors is an integer number (617909880).

Almost surely, 2^7157451245 is an apocalyptic number.

It is an amenable number.

7157451245 is a deficient number, since it is larger than the sum of its proper divisors (2729106835).

7157451245 is a wasteful number, since it uses less digits than its factorization.

7157451245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471364.

The product of its digits is 196000, while the sum is 41.

The square root of 7157451245 is about 84601.7212886357. The cubic root of 7157451245 is about 1927.1675136403.

The spelling of 7157451245 in words is "seven billion, one hundred fifty-seven million, four hundred fifty-one thousand, two hundred forty-five".