1103142450 has 24 divisors (see below), whose sum is σ = 2735793648. Its totient is φ = 294171280.

The previous prime is 1103142437. The next prime is 1103142473. The reversal of 1103142450 is 542413011.

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, 3676992 + ... + 3677291.

It is an arithmetic number, because the mean of its divisors is an integer number (113991402).

Almost surely, 2^1103142450 is an apocalyptic number.

1103142450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1103142450 is an abundant number, since it is smaller than the sum of its proper divisors (1632651198).

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

1103142450 is a wasteful number, since it uses less digits than its factorization.

1103142450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7354298 (or 7354293 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1103142450 is about 33213.5883336926. The cubic root of 1103142450 is about 1033.2621774335.

Adding to 1103142450 its reverse (542413011), we get a palindrome (1645555461).

The spelling of 1103142450 in words is "one billion, one hundred three million, one hundred forty-two thousand, four hundred fifty".