231461455 has 16 divisors (see below), whose sum is σ = 286333344. Its totient is φ = 179487360.

The previous prime is 231461453. The next prime is 231461459. The reversal of 231461455 is 554164132.

It is a happy number.

It is not a de Polignac number, because 231461455 - 2¹ = 231461453 is a prime.

It is a super-3 number, since 3×231461455³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231461453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50145 + ... + 54565.

It is an arithmetic number, because the mean of its divisors is an integer number (17895834).

Almost surely, 2^231461455 is an apocalyptic number.

231461455 is a deficient number, since it is larger than the sum of its proper divisors (54871889).

231461455 is a wasteful number, since it uses less digits than its factorization.

231461455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746.

The product of its digits is 14400, while the sum is 31.

The square root of 231461455 is about 15213.8573346801. The cubic root of 231461455 is about 613.9875424975.

The spelling of 231461455 in words is "two hundred thirty-one million, four hundred sixty-one thousand, four hundred fifty-five".