145561910 has 16 divisors (see below), whose sum is σ = 282166416. Its totient is φ = 53745888.

The previous prime is 145561879. The next prime is 145561919. The reversal of 145561910 is 19165541.

145561910 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145561919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559724 + ... + 559983.

It is an arithmetic number, because the mean of its divisors is an integer number (17635401).

Almost surely, 2^145561910 is an apocalyptic number.

145561910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145561910 is a deficient number, since it is larger than the sum of its proper divisors (136604506).

145561910 is a wasteful number, since it uses less digits than its factorization.

145561910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119727.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 145561910 is about 12064.9040609530. The cubic root of 145561910 is about 526.0365432162.

The spelling of 145561910 in words is "one hundred forty-five million, five hundred sixty-one thousand, nine hundred ten".