525144345 has 32 divisors (see below), whose sum is σ = 917668224. Its totient is φ = 254323200.

The previous prime is 525144317. The next prime is 525144379. The reversal of 525144345 is 543441525.

It is not a de Polignac number, because 525144345 - 2⁵ = 525144313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235335 + ... + 237555.

It is an arithmetic number, because the mean of its divisors is an integer number (28677132).

Almost surely, 2^525144345 is an apocalyptic number.

525144345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

525144345 is a deficient number, since it is larger than the sum of its proper divisors (392523879).

525144345 is a wasteful number, since it uses less digits than its factorization.

525144345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673.

The product of its digits is 48000, while the sum is 33.

The square root of 525144345 is about 22916.0281244373. The cubic root of 525144345 is about 806.7882496844.

The spelling of 525144345 in words is "five hundred twenty-five million, one hundred forty-four thousand, three hundred forty-five".