103457290 has 16 divisors (see below), whose sum is σ = 188144712. Its totient is φ = 40955904.

The previous prime is 103457213. The next prime is 103457317. The reversal of 103457290 is 92754301.

It can be written as a sum of positive squares in 4 ways, for example, as 98426241 + 5031049 = 9921^2 + 2243^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52359 + ... + 54298.

Almost surely, 2^103457290 is an apocalyptic number.

103457290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103457290 is a deficient number, since it is larger than the sum of its proper divisors (84687422).

103457290 is a wasteful number, since it uses less digits than its factorization.

103457290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106761.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 103457290 is about 10171.3956761105. The cubic root of 103457290 is about 469.4475022799.

The spelling of 103457290 in words is "one hundred three million, four hundred fifty-seven thousand, two hundred ninety".