90103345 has 8 divisors (see below), whose sum is σ = 108210600. Its totient is φ = 72024960.

The previous prime is 90103313. The next prime is 90103367. The reversal of 90103345 is 54330109.

It can be written as a sum of positive squares in 4 ways, for example, as 9678321 + 80425024 = 3111^2 + 8968^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90103345 - 2⁵ = 90103313 is a prime.

It is a super-2 number, since 2×90103345² = 16237225560378050, which contains 22 as substring.

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, 381 + ... + 13429.

It is an arithmetic number, because the mean of its divisors is an integer number (13526325).

Almost surely, 2^90103345 is an apocalyptic number.

It is an amenable number.

90103345 is a deficient number, since it is larger than the sum of its proper divisors (18107255).

90103345 is a wasteful number, since it uses less digits than its factorization.

90103345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14435.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 90103345 is about 9492.2781775504. The cubic root of 90103345 is about 448.3119389590.

The spelling of 90103345 in words is "ninety million, one hundred three thousand, three hundred forty-five".