145102322025 has 48 divisors (see below), whose sum is σ = 273059814720. Its totient is φ = 75500380800.

The previous prime is 145102321979. The next prime is 145102322047. The reversal of 145102322025 is 520223201541.

145102322025 is a `hidden beast` number, since 1 + 451 + 0 + 2 + 3 + 2 + 202 + 5 = 666.

It is not a de Polignac number, because 145102322025 - 2¹² = 145102317929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 145102322025.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2593867 + ... + 2649216.

It is an arithmetic number, because the mean of its divisors is an integer number (5688746140).

Almost surely, 2^145102322025 is an apocalyptic number.

145102322025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145102322025 is a deficient number, since it is larger than the sum of its proper divisors (127957492695).

145102322025 is a wasteful number, since it uses less digits than its factorization.

145102322025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243143 (or 5243132 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 145102322025 its reverse (520223201541), we get a palindrome (665325523566).

The spelling of 145102322025 in words is "one hundred forty-five billion, one hundred two million, three hundred twenty-two thousand, twenty-five".