145501910 has 32 divisors (see below), whose sum is σ = 282120192. Its totient is φ = 53871840.

The previous prime is 145501901. The next prime is 145501931. The reversal of 145501910 is 19105541.

145501910 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145501910.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3074 + ... + 17333.

It is an arithmetic number, because the mean of its divisors is an integer number (8816256).

Almost surely, 2^145501910 is an apocalyptic number.

145501910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145501910 is a deficient number, since it is larger than the sum of its proper divisors (136618282).

145501910 is a wasteful number, since it uses less digits than its factorization.

145501910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20468.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 145501910 is about 12062.4172536022. The cubic root of 145501910 is about 525.9642566082.

The spelling of 145501910 in words is "one hundred forty-five million, five hundred one thousand, nine hundred ten".