2154029042 has 8 divisors (see below), whose sum is σ = 3524774832. Its totient is φ = 979104100.

The previous prime is 2154028973. The next prime is 2154029077. The reversal of 2154029042 is 2409204512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2154029042² = 9279682227558875528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2154028996 and 2154029014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48955184 + ... + 48955227.

It is an arithmetic number, because the mean of its divisors is an integer number (440596854).

Almost surely, 2^2154029042 is an apocalyptic number.

2154029042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2154029042 is a deficient number, since it is larger than the sum of its proper divisors (1370745790).

2154029042 is a wasteful number, since it uses less digits than its factorization.

2154029042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97910424.

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

The square root of 2154029042 is about 46411.5184194613. The cubic root of 2154029042 is about 1291.4686000581.

The spelling of 2154029042 in words is "two billion, one hundred fifty-four million, twenty-nine thousand, forty-two".