145051407 has 12 divisors (see below), whose sum is σ = 213472584. Its totient is φ = 94876080.

The previous prime is 145051391. The next prime is 145051451. The reversal of 145051407 is 704150541.

It is a happy number.

145051407 is a `hidden beast` number, since 14 + 505 + 140 + 7 = 666.

145051407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145051407 - 2⁴ = 145051391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145051457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151569 + ... + 152522.

It is an arithmetic number, because the mean of its divisors is an integer number (17789382).

Almost surely, 2^145051407 is an apocalyptic number.

145051407 is a deficient number, since it is larger than the sum of its proper divisors (68421177).

145051407 is a wasteful number, since it uses less digits than its factorization.

145051407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304150 (or 304147 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 145051407 is about 12043.7289491253. The cubic root of 145051407 is about 525.4208652451.

The spelling of 145051407 in words is "one hundred forty-five million, fifty-one thousand, four hundred seven".