1149975345 has 16 divisors (see below), whose sum is σ = 1841679360. Its totient is φ = 612747264.

The previous prime is 1149975341. The next prime is 1149975347. The reversal of 1149975345 is 5435799411.

It is not a de Polignac number, because 1149975345 - 2² = 1149975341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1149975294 and 1149975303.

It is not an unprimeable number, because it can be changed into a prime (1149975341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18960 + ... + 51569.

It is an arithmetic number, because the mean of its divisors is an integer number (115104960).

Almost surely, 2^1149975345 is an apocalyptic number.

1149975345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1149975345 is a deficient number, since it is larger than the sum of its proper divisors (691704015).

1149975345 is a wasteful number, since it uses less digits than its factorization.

1149975345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71624.

The product of its digits is 680400, while the sum is 48.

The square root of 1149975345 is about 33911.2863955350. The cubic root of 1149975345 is about 1047.6820659338.

The spelling of 1149975345 in words is "one billion, one hundred forty-nine million, nine hundred seventy-five thousand, three hundred forty-five".