103144487157 has 8 divisors (see below), whose sum is σ = 152806647680. Its totient is φ = 68762991420.

The previous prime is 103144487099. The next prime is 103144487197. The reversal of 103144487157 is 751784441301.

103144487157 is a `hidden beast` number, since 1 + 0 + 3 + 14 + 4 + 487 + 157 = 666.

It is not a de Polignac number, because 103144487157 - 2⁸ = 103144486901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103144487197) 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, 1910083069 + ... + 1910083122.

It is an arithmetic number, because the mean of its divisors is an integer number (19100830960).

Almost surely, 2^103144487157 is an apocalyptic number.

It is an amenable number.

103144487157 is a deficient number, since it is larger than the sum of its proper divisors (49662160523).

103144487157 is an equidigital number, since it uses as much as digits as its factorization.

103144487157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820166200 (or 3820166194 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 103144487157 in words is "one hundred three billion, one hundred forty-four million, four hundred eighty-seven thousand, one hundred fifty-seven".