157949043 has 8 divisors (see below), whose sum is σ = 240684288. Its totient is φ = 90256584.

The previous prime is 157948997. The next prime is 157949053. The reversal of 157949043 is 340949751.

157949043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 157949043 - 2¹⁰ = 157948019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157948986 and 157949004.

It is not an unprimeable number, because it can be changed into a prime (157949053) 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, 3760671 + ... + 3760712.

It is an arithmetic number, because the mean of its divisors is an integer number (30085536).

Almost surely, 2^157949043 is an apocalyptic number.

157949043 is a deficient number, since it is larger than the sum of its proper divisors (82735245).

157949043 is an equidigital number, since it uses as much as digits as its factorization.

157949043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7521393.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 157949043 is about 12567.7779658936. Note that the first 3 decimals coincide. The cubic root of 157949043 is about 540.5538932530.

The spelling of 157949043 in words is "one hundred fifty-seven million, nine hundred forty-nine thousand, forty-three".