145280016 has 120 divisors (see below), whose sum is σ = 469594944. Its totient is φ = 41068800.

The previous prime is 145279997. The next prime is 145280021. The reversal of 145280016 is 610082541.

It is a super-2 number, since 2×145280016² = 42212566097920512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101095 + ... + 102521.

Almost surely, 2^145280016 is an apocalyptic number.

145280016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145280016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234797472).

145280016 is an abundant number, since it is smaller than the sum of its proper divisors (324314928).

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

145280016 is a wasteful number, since it uses less digits than its factorization.

145280016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549 (or 1540 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 145280016 is about 12053.2160023788. The cubic root of 145280016 is about 525.6967510917.

The spelling of 145280016 in words is "one hundred forty-five million, two hundred eighty thousand, sixteen".