1145547536 has 40 divisors (see below), whose sum is σ = 2571335424. Its totient is φ = 484220160.

The previous prime is 1145547467. The next prime is 1145547541. The reversal of 1145547536 is 6357455411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1145547493 and 1145547502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61880 + ... + 78231.

Almost surely, 2^1145547536 is an apocalyptic number.

1145547536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1145547536 is an abundant number, since it is smaller than the sum of its proper divisors (1425787888).

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

1145547536 is a wasteful number, since it uses less digits than its factorization.

1145547536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140199 (or 140193 counting only the distinct ones).

The product of its digits is 252000, while the sum is 41.

The square root of 1145547536 is about 33845.9382496630. The cubic root of 1145547536 is about 1046.3356884618.

The spelling of 1145547536 in words is "one billion, one hundred forty-five million, five hundred forty-seven thousand, five hundred thirty-six".