145051025 has 18 divisors (see below), whose sum is σ = 209230470. Its totient is φ = 99462720.

The previous prime is 145051013. The next prime is 145051033. The reversal of 145051025 is 520150541.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 31990336 + 113060689 = 5656^2 + 10633^2 .

It is not a de Polignac number, because 145051025 - 2¹² = 145046929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 57980 + ... + 60429.

It is an arithmetic number, because the mean of its divisors is an integer number (11623915).

Almost surely, 2^145051025 is an apocalyptic number.

It is an amenable number.

145051025 is a deficient number, since it is larger than the sum of its proper divisors (64179445).

145051025 is a wasteful number, since it uses less digits than its factorization.

145051025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118433 (or 118421 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 145051025 is about 12043.7130902392. The cubic root of 145051025 is about 525.4204040042.

The spelling of 145051025 in words is "one hundred forty-five million, fifty-one thousand, twenty-five".