1245675375 has 64 divisors (see below), whose sum is σ = 2632181760. Its totient is φ = 569440800.

The previous prime is 1245675373. The next prime is 1245675383. The reversal of 1245675375 is 5735765421.

It is a happy number.

1245675375 is a `hidden beast` number, since 12 + 4 + 567 + 5 + 3 + 75 = 666.

It is not a de Polignac number, because 1245675375 - 2¹ = 1245675373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1245675375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245675373) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2739 + ... + 49988.

It is an arithmetic number, because the mean of its divisors is an integer number (41127840).

Almost surely, 2^1245675375 is an apocalyptic number.

1245675375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1245675375 is an abundant number, since it is smaller than the sum of its proper divisors (1386506385).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1245675375 is an equidigital number, since it uses as much as digits as its factorization.

1245675375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52758 (or 52742 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 1245675375 is about 35294.1266360283. The cubic root of 1245675375 is about 1075.9736266643.

The spelling of 1245675375 in words is "one billion, two hundred forty-five million, six hundred seventy-five thousand, three hundred seventy-five".