145015750 has 32 divisors (see below), whose sum is σ = 296154144. Its totient is φ = 52732000.

The previous prime is 145015711. The next prime is 145015751. The reversal of 145015750 is 57510541.

145015750 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145015751) 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, 23617 + ... + 29116.

It is an arithmetic number, because the mean of its divisors is an integer number (9254817).

Almost surely, 2^145015750 is an apocalyptic number.

145015750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145015750 is an abundant number, since it is smaller than the sum of its proper divisors (151138394).

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

145015750 is a wasteful number, since it uses less digits than its factorization.

145015750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52761 (or 52751 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 145015750 is about 12042.2485441881. The cubic root of 145015750 is about 525.3778081719.

The spelling of 145015750 in words is "one hundred forty-five million, fifteen thousand, seven hundred fifty".