145281110 has 32 divisors (see below), whose sum is σ = 293872320. Its totient is φ = 51308928.

The previous prime is 145281107. The next prime is 145281119. The reversal of 145281110 is 11182541.

It is a super-2 number, since 2×145281110² = 42213201845664200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145281119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21305 + ... + 27284.

It is an arithmetic number, because the mean of its divisors is an integer number (9183510).

Almost surely, 2^145281110 is an apocalyptic number.

145281110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145281110 is an abundant number, since it is smaller than the sum of its proper divisors (148591210).

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

145281110 is a wasteful number, since it uses less digits than its factorization.

145281110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48632.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 145281110 is about 12053.2613843723. The cubic root of 145281110 is about 525.6980706373.

The spelling of 145281110 in words is "one hundred forty-five million, two hundred eighty-one thousand, one hundred ten".