145249116 has 12 divisors (see below), whose sum is σ = 338914632. Its totient is φ = 48416368.

The previous prime is 145249073. The next prime is 145249121. The reversal of 145249116 is 611942541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6052035 + ... + 6052058.

It is an arithmetic number, because the mean of its divisors is an integer number (28242886).

Almost surely, 2^145249116 is an apocalyptic number.

It is an amenable number.

145249116 is an abundant number, since it is smaller than the sum of its proper divisors (193665516).

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

145249116 is a wasteful number, since it uses less digits than its factorization.

145249116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12104100 (or 12104098 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 145249116 is about 12051.9341186384. The cubic root of 145249116 is about 525.6594778272.

The spelling of 145249116 in words is "one hundred forty-five million, two hundred forty-nine thousand, one hundred sixteen".