157843854 has 24 divisors (see below), whose sum is σ = 390851760. Its totient is φ = 45098208.

The previous prime is 157843853. The next prime is 157843859. The reversal of 157843854 is 458348751.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157843853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 626239 + ... + 626490.

It is an arithmetic number, because the mean of its divisors is an integer number (16285490).

Almost surely, 2^157843854 is an apocalyptic number.

157843854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

157843854 is an abundant number, since it is smaller than the sum of its proper divisors (233007906).

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

157843854 is a wasteful number, since it uses less digits than its factorization.

157843854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252744 (or 1252741 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 157843854 is about 12563.5924002651. The cubic root of 157843854 is about 540.4338694161.

The spelling of 157843854 in words is "one hundred fifty-seven million, eight hundred forty-three thousand, eight hundred fifty-four".