1153145050 has 12 divisors (see below), whose sum is σ = 2144849886. Its totient is φ = 461258000.

The previous prime is 1153145033. The next prime is 1153145053. The reversal of 1153145050 is 505413511.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 720546649 + 432598401 = 26843^2 + 20799^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1153145053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11531401 + ... + 11531500.

Almost surely, 2^1153145050 is an apocalyptic number.

1153145050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1153145050 is a deficient number, since it is larger than the sum of its proper divisors (991704836).

1153145050 is a wasteful number, since it uses less digits than its factorization.

1153145050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23062913 (or 23062908 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1153145050 is about 33957.9894870117. The cubic root of 1153145050 is about 1048.6437667372.

Adding to 1153145050 its reverse (505413511), we get a palindrome (1658558561).

The spelling of 1153145050 in words is "one billion, one hundred fifty-three million, one hundred forty-five thousand, fifty".