145534222459 has 4 divisors (see below), whose sum is σ = 145623127104. Its totient is φ = 145445317816.

The previous prime is 145534222429. The next prime is 145534222481. The reversal of 145534222459 is 954222435541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145534222459 - 2¹⁷ = 145534091387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145534222429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44449867 + ... + 44453140.

It is an arithmetic number, because the mean of its divisors is an integer number (36405781776).

Almost surely, 2^145534222459 is an apocalyptic number.

145534222459 is a deficient number, since it is larger than the sum of its proper divisors (88904645).

145534222459 is an equidigital number, since it uses as much as digits as its factorization.

145534222459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88904644.

The product of its digits is 1728000, while the sum is 46.

The spelling of 145534222459 in words is "one hundred forty-five billion, five hundred thirty-four million, two hundred twenty-two thousand, four hundred fifty-nine".