145541750 has 16 divisors (see below), whose sum is σ = 272454624. Its totient is φ = 58216600.

The previous prime is 145541741. The next prime is 145541761. The reversal of 145541750 is 57145541.

145541750 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290834 + ... + 291333.

It is an arithmetic number, because the mean of its divisors is an integer number (17028414).

Almost surely, 2^145541750 is an apocalyptic number.

145541750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145541750 is a deficient number, since it is larger than the sum of its proper divisors (126912874).

145541750 is an equidigital number, since it uses as much as digits as its factorization.

145541750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582184 (or 582174 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 145541750 is about 12064.0685508662. The cubic root of 145541750 is about 526.0122571322.

The spelling of 145541750 in words is "one hundred forty-five million, five hundred forty-one thousand, seven hundred fifty".