103157748 has 18 divisors (see below), whose sum is σ = 260759954. Its totient is φ = 34385904.

The previous prime is 103157741. The next prime is 103157777. The reversal of 103157748 is 847751301.

103157748 is a `hidden beast` number, since 10 + 31 + 577 + 48 = 666.

It can be written as a sum of positive squares in only one way, i.e., 100761444 + 2396304 = 10038^2 + 1548^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2865493 = 103157748 / (1 + 0 + 3 + 1 + 5 + 7 + 7 + 4 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103157741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1432711 + ... + 1432782.

Almost surely, 2^103157748 is an apocalyptic number.

103157748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

103157748 is an abundant number, since it is smaller than the sum of its proper divisors (157602206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103157748 is a wasteful number, since it uses less digits than its factorization.

103157748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865503 (or 2865498 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 103157748 is about 10156.6602778669. The cubic root of 103157748 is about 468.9939973439.

The spelling of 103157748 in words is "one hundred three million, one hundred fifty-seven thousand, seven hundred forty-eight".