132243551 has 16 divisors (see below), whose sum is σ = 150835200. Its totient is φ = 114847200.

The previous prime is 132243541. The next prime is 132243557. The reversal of 132243551 is 155342231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 132243551 - 2¹⁴ = 132227167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132243551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132243557) 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, 24485 + ... + 29393.

It is an arithmetic number, because the mean of its divisors is an integer number (9427200).

Almost surely, 2^132243551 is an apocalyptic number.

132243551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

132243551 is a deficient number, since it is larger than the sum of its proper divisors (18591649).

132243551 is a wasteful number, since it uses less digits than its factorization.

132243551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030.

The product of its digits is 3600, while the sum is 26.

The square root of 132243551 is about 11499.7196052773. The cubic root of 132243551 is about 509.4772947777.

Adding to 132243551 its reverse (155342231), we get a palindrome (287585782).

The spelling of 132243551 in words is "one hundred thirty-two million, two hundred forty-three thousand, five hundred fifty-one".