1141555450 has 120 divisors (see below), whose sum is σ = 2553873372. Its totient is φ = 379330560.

The previous prime is 1141555433. The next prime is 1141555453. The reversal of 1141555450 is 545551411.

It can be written as a sum of positive squares in 6 ways, for example, as 992691049 + 148864401 = 31507^2 + 12201^2 .

It is not an unprimeable number, because it can be changed into a prime (1141555453) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4441722 + ... + 4441978.

Almost surely, 2^1141555450 is an apocalyptic number.

1141555450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1141555450 is an abundant number, since it is smaller than the sum of its proper divisors (1412317922).

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

1141555450 is an equidigital number, since it uses as much as digits as its factorization.

1141555450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

The square root of 1141555450 is about 33786.9124070253. The cubic root of 1141555450 is about 1045.1188253425.

The spelling of 1141555450 in words is "one billion, one hundred forty-one million, five hundred fifty-five thousand, four hundred fifty".