157343043 has 32 divisors (see below), whose sum is σ = 247403520. Its totient is φ = 87690240.

The previous prime is 157343033. The next prime is 157343059. The reversal of 157343043 is 340343751.

It is not a de Polignac number, because 157343043 - 2⁴ = 157343027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157343043.

It is not an unprimeable number, because it can be changed into a prime (157343003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150918 + ... + 151956.

It is an arithmetic number, because the mean of its divisors is an integer number (7731360).

Almost surely, 2^157343043 is an apocalyptic number.

157343043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

157343043 is a deficient number, since it is larger than the sum of its proper divisors (90060477).

157343043 is a wasteful number, since it uses less digits than its factorization.

157343043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 157343043 is about 12543.6455227338. The cubic root of 157343043 is about 539.8616964054.

Adding to 157343043 its reverse (340343751), we get a palindrome (497686794).

The spelling of 157343043 in words is "one hundred fifty-seven million, three hundred forty-three thousand, forty-three".