7507506145 has 8 divisors (see below), whose sum is σ = 9009472680. Its totient is φ = 6005694720.

The previous prime is 7507506137. The next prime is 7507506161. The reversal of 7507506145 is 5416057057.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 57744801 + 7449761344 = 7599^2 + 86312^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7507506145 - 2³ = 7507506137 is a prime.

It is a super-2 number, since 2×7507506145² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7507506098 and 7507506107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166711 + ... + 206899.

It is an arithmetic number, because the mean of its divisors is an integer number (1126184085).

Almost surely, 2^7507506145 is an apocalyptic number.

It is an amenable number.

7507506145 is a deficient number, since it is larger than the sum of its proper divisors (1501966535).

7507506145 is a wasteful number, since it uses less digits than its factorization.

7507506145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77555.

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 7507506145 is about 86645.8662891658. The cubic root of 7507506145 is about 1958.0866153934.

The spelling of 7507506145 in words is "seven billion, five hundred seven million, five hundred six thousand, one hundred forty-five".