145458825 has 24 divisors (see below), whose sum is σ = 241064928. Its totient is φ = 77393280.

The previous prime is 145458823. The next prime is 145458853. The reversal of 145458825 is 528854541.

It is not a de Polignac number, because 145458825 - 2¹ = 145458823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145458823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32949 + ... + 37101.

It is an arithmetic number, because the mean of its divisors is an integer number (10044372).

Almost surely, 2^145458825 is an apocalyptic number.

145458825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145458825 is a deficient number, since it is larger than the sum of its proper divisors (95606103).

145458825 is a wasteful number, since it uses less digits than its factorization.

145458825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633 (or 4628 counting only the distinct ones).

The product of its digits is 256000, while the sum is 42.

The square root of 145458825 is about 12060.6312023874. The cubic root of 145458825 is about 525.9123365404.

The spelling of 145458825 in words is "one hundred forty-five million, four hundred fifty-eight thousand, eight hundred twenty-five".