145453444234 has 16 divisors (see below), whose sum is σ = 255147571008. Its totient is φ = 60887488032.

The previous prime is 145453444231. The next prime is 145453444249. The reversal of 145453444234 is 432444354541.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (145453444231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120807907 + ... + 120809110.

It is an arithmetic number, because the mean of its divisors is an integer number (15946723188).

Almost surely, 2^145453444234 is an apocalyptic number.

145453444234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145453444234 is a deficient number, since it is larger than the sum of its proper divisors (109694126774).

145453444234 is a wasteful number, since it uses less digits than its factorization.

145453444234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241617069.

The product of its digits is 1843200, while the sum is 43.

Adding to 145453444234 its reverse (432444354541), we get a palindrome (577897798775).

The spelling of 145453444234 in words is "one hundred forty-five billion, four hundred fifty-three million, four hundred forty-four thousand, two hundred thirty-four".