445140151 has 4 divisors (see below), whose sum is σ = 468568600. Its totient is φ = 421711704.

The previous prime is 445140139. The next prime is 445140167. The reversal of 445140151 is 151041544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 445140151 - 2⁷ = 445140023 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 (445140131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11714196 + ... + 11714233.

It is an arithmetic number, because the mean of its divisors is an integer number (117142150).

Almost surely, 2^445140151 is an apocalyptic number.

445140151 is a deficient number, since it is larger than the sum of its proper divisors (23428449).

445140151 is a wasteful number, since it uses less digits than its factorization.

445140151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23428448.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 445140151 is about 21098.3447455008. The cubic root of 445140151 is about 763.5408133819.

Adding to 445140151 its reverse (151041544), we get a palindrome (596181695).

The spelling of 445140151 in words is "four hundred forty-five million, one hundred forty thousand, one hundred fifty-one".