145534455 has 64 divisors (see below), whose sum is σ = 294589440. Its totient is φ = 67478400.

The previous prime is 145534453. The next prime is 145534457. The reversal of 145534455 is 554435541.

145534455 is a `hidden beast` number, since 14 + 553 + 44 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (145534453) and next prime (145534457).

It is not a de Polignac number, because 145534455 - 2¹ = 145534453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145534453) 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 63 ways as a sum of consecutive naturals, for example, 32025 + ... + 36285.

It is an arithmetic number, because the mean of its divisors is an integer number (4602960).

Almost surely, 2^145534455 is an apocalyptic number.

145534455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145534455 is an abundant number, since it is smaller than the sum of its proper divisors (149054985).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145534455 is a wasteful number, since it uses less digits than its factorization.

145534455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4309 (or 4303 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 145534455 is about 12063.7662029733. The cubic root of 145534455 is about 526.0034685348.

Adding to 145534455 its reverse (554435541), we get a palindrome (699969996).

The spelling of 145534455 in words is "one hundred forty-five million, five hundred thirty-four thousand, four hundred fifty-five".