1145307408 has 160 divisors (see below), whose sum is σ = 3664336896. Its totient is φ = 300754944.

The previous prime is 1145307347. The next prime is 1145307419. The reversal of 1145307408 is 8047035411.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243285 + ... + 247947.

Almost surely, 2^1145307408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145307408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1832168448).

1145307408 is an abundant number, since it is smaller than the sum of its proper divisors (2519029488).

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

1145307408 is a wasteful number, since it uses less digits than its factorization.

1145307408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741 (or 4735 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1145307408 is about 33842.3906956941. The cubic root of 1145307408 is about 1046.2625729002.

The spelling of 1145307408 in words is "one billion, one hundred forty-five million, three hundred seven thousand, four hundred eight".