145452534234 has 48 divisors (see below), whose sum is σ = 339467498208. Its totient is φ = 41426743008.

The previous prime is 145452534187. The next prime is 145452534251. The reversal of 145452534234 is 432435254541.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 687144 + ... + 873539.

It is an arithmetic number, because the mean of its divisors is an integer number (7072239546).

Almost surely, 2^145452534234 is an apocalyptic number.

145452534234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145452534234 is an abundant number, since it is smaller than the sum of its proper divisors (194014963974).

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

145452534234 is a wasteful number, since it uses less digits than its factorization.

145452534234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561019 (or 1561012 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 42.

Adding to 145452534234 its reverse (432435254541), we get a palindrome (577887788775).

The spelling of 145452534234 in words is "one hundred forty-five billion, four hundred fifty-two million, five hundred thirty-four thousand, two hundred thirty-four".