145453123355 has 32 divisors (see below), whose sum is σ = 189411082560. Its totient is φ = 106863943680.

The previous prime is 145453123349. The next prime is 145453123357. The reversal of 145453123355 is 553321354541.

It is not a de Polignac number, because 145453123355 - 2²² = 145448929051 is a prime.

It is a super-2 number, since 2×145453123355² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (145453123357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 492587 + ... + 730443.

It is an arithmetic number, because the mean of its divisors is an integer number (5919096330).

Almost surely, 2^145453123355 is an apocalyptic number.

145453123355 is a deficient number, since it is larger than the sum of its proper divisors (43957959205).

145453123355 is a wasteful number, since it uses less digits than its factorization.

145453123355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238079.

The product of its digits is 540000, while the sum is 41.

Adding to 145453123355 its reverse (553321354541), we get a palindrome (698774477896).

The spelling of 145453123355 in words is "one hundred forty-five billion, four hundred fifty-three million, one hundred twenty-three thousand, three hundred fifty-five".