145202542425 has 144 divisors (see below), whose sum is σ = 296941619520. Its totient is φ = 67364352000.

The previous prime is 145202542421. The next prime is 145202542451. The reversal of 145202542425 is 524245202541.

145202542425 is a `hidden beast` number, since 1 + 4 + 5 + 202 + 5 + 424 + 25 = 666.

It is not a de Polignac number, because 145202542425 - 2² = 145202542421 is a prime.

It is a super-3 number, since 3×145202542425³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145202542425.

It is not an unprimeable number, because it can be changed into a prime (145202542421) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2955310 + ... + 3004040.

It is an arithmetic number, because the mean of its divisors is an integer number (2062094580).

Almost surely, 2^145202542425 is an apocalyptic number.

145202542425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145202542425 is an abundant number, since it is smaller than the sum of its proper divisors (151739077095).

145202542425 is a wasteful number, since it uses less digits than its factorization.

145202542425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48824 (or 48816 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 145202542425 its reverse (524245202541), we get a palindrome (669447744966).

The spelling of 145202542425 in words is "one hundred forty-five billion, two hundred two million, five hundred forty-two thousand, four hundred twenty-five".