145045434 has 16 divisors (see below), whose sum is σ = 294847200. Its totient is φ = 47555760.

The previous prime is 145045339. The next prime is 145045451. The reversal of 145045434 is 434540541.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197784 + ... + 198515.

It is an arithmetic number, because the mean of its divisors is an integer number (18427950).

Almost surely, 2^145045434 is an apocalyptic number.

145045434 is an abundant number, since it is smaller than the sum of its proper divisors (149801766).

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

145045434 is a wasteful number, since it uses less digits than its factorization.

145045434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396365.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 145045434 is about 12043.4809751998. The cubic root of 145045434 is about 525.4136531310.

Adding to 145045434 its reverse (434540541), we get a palindrome (579585975).

The spelling of 145045434 in words is "one hundred forty-five million, forty-five thousand, four hundred thirty-four".