145452375 has 64 divisors (see below), whose sum is σ = 273162240. Its totient is φ = 76356000.

The previous prime is 145452343. The next prime is 145452383. The reversal of 145452375 is 573254541.

145452375 is a `hidden beast` number, since 14 + 54 + 523 + 75 = 666.

It is not a de Polignac number, because 145452375 - 2⁵ = 145452343 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 239322 + ... + 239928.

It is an arithmetic number, because the mean of its divisors is an integer number (4268160).

Almost surely, 2^145452375 is an apocalyptic number.

145452375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145452375 is a deficient number, since it is larger than the sum of its proper divisors (127709865).

145452375 is an equidigital number, since it uses as much as digits as its factorization.

145452375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 686 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 145452375 is about 12060.3638004830. The cubic root of 145452375 is about 525.9045630125.

The spelling of 145452375 in words is "one hundred forty-five million, four hundred fifty-two thousand, three hundred seventy-five".