1803153242 has 32 divisors (see below), whose sum is σ = 3063916800. Its totient is φ = 788356800.

The previous prime is 1803153199. The next prime is 1803153277. The reversal of 1803153242 is 2423513081.

It is a happy number.

It is a super-2 number, since 2×1803153242² = 6502723228270221128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167684 + ... + 178112.

It is an arithmetic number, because the mean of its divisors is an integer number (95747400).

Almost surely, 2^1803153242 is an apocalyptic number.

1803153242 is a deficient number, since it is larger than the sum of its proper divisors (1260763558).

1803153242 is a wasteful number, since it uses less digits than its factorization.

1803153242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10742.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1803153242 is about 42463.5519239736. The cubic root of 1803153242 is about 1217.1503052854.

The spelling of 1803153242 in words is "one billion, eight hundred three million, one hundred fifty-three thousand, two hundred forty-two".