145281108 has 48 divisors (see below), whose sum is σ = 391789440. Its totient is φ = 41040384.

The previous prime is 145281107. The next prime is 145281119. The reversal of 145281108 is 801182541.

It is a happy number.

It is a super-2 number, since 2×145281108² = 42213200683415328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145281107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2241 + ... + 17192.

It is an arithmetic number, because the mean of its divisors is an integer number (8162280).

Almost surely, 2^145281108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145281108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195894720).

145281108 is an abundant number, since it is smaller than the sum of its proper divisors (246508332).

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

145281108 is a wasteful number, since it uses less digits than its factorization.

145281108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19536 (or 19534 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 145281108 is about 12053.2613014072. The cubic root of 145281108 is about 525.6980682250.

The spelling of 145281108 in words is "one hundred forty-five million, two hundred eighty-one thousand, one hundred eight".