157419841 has 4 divisors (see below), whose sum is σ = 158476500. Its totient is φ = 156363184.

The previous prime is 157419809. The next prime is 157419877. The reversal of 157419841 is 148914751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 148914751 = 37 ⋅4024723.

It can be written as a sum of positive squares in 2 ways, for example, as 67568400 + 89851441 = 8220^2 + 9479^2 .

It is a cyclic number.

It is not a de Polignac number, because 157419841 - 2⁵ = 157419809 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157419794 and 157419803.

It is not an unprimeable number, because it can be changed into a prime (157419641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528106 + ... + 528403.

It is an arithmetic number, because the mean of its divisors is an integer number (39619125).

Almost surely, 2^157419841 is an apocalyptic number.

It is an amenable number.

157419841 is a deficient number, since it is larger than the sum of its proper divisors (1056659).

157419841 is a wasteful number, since it uses less digits than its factorization.

157419841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056658.

The product of its digits is 40320, while the sum is 40.

The square root of 157419841 is about 12546.7063805606. The cubic root of 157419841 is about 539.9495163139.

The spelling of 157419841 in words is "one hundred fifty-seven million, four hundred nineteen thousand, eight hundred forty-one".