145332175725 has 96 divisors (see below), whose sum is σ = 291641750400. Its totient is φ = 70369689600.

The previous prime is 145332175699. The next prime is 145332175753. The reversal of 145332175725 is 527571233541.

145332175725 is a `hidden beast` number, since 1 + 4 + 53 + 3 + 21 + 7 + 572 + 5 = 666.

145332175725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145332175725 - 2⁵ = 145332175693 is a prime.

It is a super-2 number, since 2×145332175725² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5697099 + ... + 5722551.

It is an arithmetic number, because the mean of its divisors is an integer number (3037934900).

Almost surely, 2^145332175725 is an apocalyptic number.

145332175725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145332175725 is an abundant number, since it is smaller than the sum of its proper divisors (146309574675).

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

145332175725 is a wasteful number, since it uses less digits than its factorization.

145332175725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26252 (or 26241 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The spelling of 145332175725 in words is "one hundred forty-five billion, three hundred thirty-two million, one hundred seventy-five thousand, seven hundred twenty-five".