145253755 has 8 divisors (see below), whose sum is σ = 179927424. Its totient is φ = 112454400.

The previous prime is 145253743. The next prime is 145253777. The reversal of 145253755 is 557352541.

145253755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145253755 - 2⁹ = 145253243 is a prime.

It is a Duffinian 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, 468406 + ... + 468715.

It is an arithmetic number, because the mean of its divisors is an integer number (22490928).

Almost surely, 2^145253755 is an apocalyptic number.

145253755 is a deficient number, since it is larger than the sum of its proper divisors (34673669).

145253755 is an equidigital number, since it uses as much as digits as its factorization.

145253755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937157.

The product of its digits is 105000, while the sum is 37.

The square root of 145253755 is about 12052.1265758371. The cubic root of 145253755 is about 525.6650739791.

The spelling of 145253755 in words is "one hundred forty-five million, two hundred fifty-three thousand, seven hundred fifty-five".