1145307400 has 48 divisors (see below), whose sum is σ = 2748752640. Its totient is φ = 443342400.

The previous prime is 1145307347. The next prime is 1145307419. The reversal of 1145307400 is 47035411.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86164 + ... + 98563.

It is an arithmetic number, because the mean of its divisors is an integer number (57265680).

Almost surely, 2^1145307400 is an apocalyptic number.

1145307400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145307400 is an abundant number, since it is smaller than the sum of its proper divisors (1603445240).

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

1145307400 is a wasteful number, since it uses less digits than its factorization.

1145307400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184774 (or 184765 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1145307400 is about 33842.3905774991. The cubic root of 1145307400 is about 1046.2625704642.

The spelling of 1145307400 in words is "one billion, one hundred forty-five million, three hundred seven thousand, four hundred".