103445778 has 16 divisors (see below), whose sum is σ = 211294080. Its totient is φ = 33748176.

The previous prime is 103445777. The next prime is 103445801. The reversal of 103445778 is 877544301.

It is not an unprimeable number, because it can be changed into a prime (103445773) 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, 183133 + ... + 183696.

It is an arithmetic number, because the mean of its divisors is an integer number (13205880).

Almost surely, 2^103445778 is an apocalyptic number.

103445778 is an abundant number, since it is smaller than the sum of its proper divisors (107848302).

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

103445778 is a wasteful number, since it uses less digits than its factorization.

103445778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366881.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 103445778 is about 10170.8297596607. The cubic root of 103445778 is about 469.4300893613.

The spelling of 103445778 in words is "one hundred three million, four hundred forty-five thousand, seven hundred seventy-eight".