1245144960 has 160 divisors (see below), whose sum is σ = 4446822600. Its totient is φ = 332024832.

The previous prime is 1245144931. The next prime is 1245144961. The reversal of 1245144960 is 694415421.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245144961) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39831 + ... + 63849.

Almost surely, 2^1245144960 is an apocalyptic number.

1245144960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245144960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2223411300).

1245144960 is an abundant number, since it is smaller than the sum of its proper divisors (3201677640).

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

1245144960 is an equidigital number, since it uses as much as digits as its factorization.

1245144960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24050 (or 24029 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1245144960 is about 35286.6116253743. The cubic root of 1245144960 is about 1075.8208866097.

The spelling of 1245144960 in words is "one billion, two hundred forty-five million, one hundred forty-four thousand, nine hundred sixty".