145450356530025 has 24 divisors (see below), whose sum is σ = 240480615755520. Its totient is φ = 77572654786240.

The previous prime is 145450356529997. The next prime is 145450356530029. The reversal of 145450356530025 is 520035653054541.

It is not a de Polignac number, because 145450356530025 - 2¹⁶ = 145450356464489 is a prime.

It is a super-2 number, since 2×145450356530025² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145450356530029) 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, 4088697 + ... + 17539046.

It is an arithmetic number, because the mean of its divisors is an integer number (10020025656480).

Almost surely, 2^{145450356530025} is an apocalyptic number.

145450356530025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145450356530025 is a deficient number, since it is larger than the sum of its proper divisors (95030259225495).

145450356530025 is a wasteful number, since it uses less digits than its factorization.

145450356530025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21717425 (or 21717420 counting only the distinct ones).

The product of its (nonzero) digits is 5400000, while the sum is 48.

The spelling of 145450356530025 in words is "one hundred forty-five trillion, four hundred fifty billion, three hundred fifty-six million, five hundred thirty thousand, twenty-five".