145045407 has 16 divisors (see below), whose sum is σ = 213116288. Its totient is φ = 87181920.

The previous prime is 145045339. The next prime is 145045451. The reversal of 145045407 is 704540541.

It is not a de Polignac number, because 145045407 - 2⁷ = 145045279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145045507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41569 + ... + 44922.

It is an arithmetic number, because the mean of its divisors is an integer number (13319768).

Almost surely, 2^145045407 is an apocalyptic number.

145045407 is a deficient number, since it is larger than the sum of its proper divisors (68070881).

145045407 is a wasteful number, since it uses less digits than its factorization.

145045407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86550.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 145045407 is about 12043.4798542614. The cubic root of 145045407 is about 525.4136205293.

Adding to 145045407 its reverse (704540541), we get a palindrome (849585948).

The spelling of 145045407 in words is "one hundred forty-five million, forty-five thousand, four hundred seven".