1141823154 has 16 divisors (see below), whose sum is σ = 2289676320. Its totient is φ = 379602720.

The previous prime is 1141823153. The next prime is 1141823159. The reversal of 1141823154 is 4513281411.

It is not an unprimeable number, because it can be changed into a prime (1141823153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248787 + ... + 253334.

It is an arithmetic number, because the mean of its divisors is an integer number (143104770).

Almost surely, 2^1141823154 is an apocalyptic number.

1141823154 is an abundant number, since it is smaller than the sum of its proper divisors (1147853166).

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

1141823154 is a wasteful number, since it uses less digits than its factorization.

1141823154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502505.

The product of its digits is 3840, while the sum is 30.

The square root of 1141823154 is about 33790.8738271149. The cubic root of 1141823154 is about 1045.2005152339.

The spelling of 1141823154 in words is "one billion, one hundred forty-one million, eight hundred twenty-three thousand, one hundred fifty-four".