145000744 has 32 divisors (see below), whose sum is σ = 315100800. Its totient is φ = 61266240.

The previous prime is 145000711. The next prime is 145000747. The reversal of 145000744 is 447000541.

It is not an unprimeable number, because it can be changed into a prime (145000747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14259 + ... + 22210.

It is an arithmetic number, because the mean of its divisors is an integer number (9846900).

Almost surely, 2^145000744 is an apocalyptic number.

145000744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145000744 is an abundant number, since it is smaller than the sum of its proper divisors (170100056).

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

145000744 is a wasteful number, since it uses less digits than its factorization.

145000744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36553 (or 36549 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 145000744 is about 12041.6254716712. The cubic root of 145000744 is about 525.3596857924.

The spelling of 145000744 in words is "one hundred forty-five million, seven hundred forty-four", and thus it is an aban number.