32553145 has 16 divisors (see below), whose sum is σ = 40030848. Its totient is φ = 25406080.

The previous prime is 32553127. The next prime is 32553149. The reversal of 32553145 is 54135523.

It is not a de Polignac number, because 32553145 - 2⁹ = 32552633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32553149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37557 + ... + 38413.

It is an arithmetic number, because the mean of its divisors is an integer number (2501928).

Almost surely, 2^32553145 is an apocalyptic number.

It is an amenable number.

32553145 is a deficient number, since it is larger than the sum of its proper divisors (7477703).

32553145 is a wasteful number, since it uses less digits than its factorization.

32553145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040.

The product of its digits is 9000, while the sum is 28.

The square root of 32553145 is about 5705.5363463920. The cubic root of 32553145 is about 319.2990680043.

Adding to 32553145 its reverse (54135523), we get a palindrome (86688668).

It can be divided in two parts, 3255 and 3145, that added together give a square (6400 = 80²).

The spelling of 32553145 in words is "thirty-two million, five hundred fifty-three thousand, one hundred forty-five".