103290442 has 4 divisors (see below), whose sum is σ = 154935666. Its totient is φ = 51645220.

The previous prime is 103290437. The next prime is 103290461. The reversal of 103290442 is 244092301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 103245921 + 44521 = 10161^2 + 211^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25822609 + ... + 25822612.

Almost surely, 2^103290442 is an apocalyptic number.

103290442 is a deficient number, since it is larger than the sum of its proper divisors (51645224).

103290442 is an equidigital number, since it uses as much as digits as its factorization.

103290442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51645223.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 103290442 is about 10163.1905423445. The cubic root of 103290442 is about 469.1950034923.

The spelling of 103290442 in words is "one hundred three million, two hundred ninety thousand, four hundred forty-two".