145340125 has 48 divisors (see below), whose sum is σ = 215008560. Its totient is φ = 97776000.

The previous prime is 145340119. The next prime is 145340137. The reversal of 145340125 is 521043541.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 108930969 + 36409156 = 10437^2 + 6034^2 .

It is not a de Polignac number, because 145340125 - 2⁵ = 145340093 is a prime.

It is a super-2 number, since 2×145340125² = 42247503870031250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 145340125.

It is a congruent number.

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, 373431 + ... + 373819.

It is an arithmetic number, because the mean of its divisors is an integer number (4479345).

Almost surely, 2^145340125 is an apocalyptic number.

145340125 is the 7625-th heptagonal number.

It is an amenable number.

145340125 is a deficient number, since it is larger than the sum of its proper divisors (69668435).

145340125 is an equidigital number, since it uses as much as digits as its factorization.

145340125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 145340125 is about 12055.7092284112. The cubic root of 145340125 is about 525.7692427068.

Adding to 145340125 its reverse (521043541), we get a palindrome (666383666).

The spelling of 145340125 in words is "one hundred forty-five million, three hundred forty thousand, one hundred twenty-five".