573440157 has 6 divisors (see below), whose sum is σ = 828302462. Its totient is φ = 382293432.

The previous prime is 573440143. The next prime is 573440173. The reversal of 573440157 is 751044375.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 573410916 + 29241 = 23946^2 + 171^2 .

It is not a de Polignac number, because 573440157 - 2⁷ = 573440029 is a prime.

It is a super-2 number, since 2×573440157² = 657667227320369298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573440177) 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 5 ways as a sum of consecutive naturals, for example, 31857778 + ... + 31857795.

Almost surely, 2^573440157 is an apocalyptic number.

It is an amenable number.

573440157 is a deficient number, since it is larger than the sum of its proper divisors (254862305).

573440157 is a wasteful number, since it uses less digits than its factorization.

573440157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63715579 (or 63715576 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 573440157 is about 23946.6105534792. The cubic root of 573440157 is about 830.7991321166.

The spelling of 573440157 in words is "five hundred seventy-three million, four hundred forty thousand, one hundred fifty-seven".