745518151 has 4 divisors (see below), whose sum is σ = 852020752. Its totient is φ = 639015552.

The previous prime is 745518139. The next prime is 745518157. The reversal of 745518151 is 151815547.

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

It is not a de Polignac number, because 745518151 - 2⁹ = 745517639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 745518151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745518157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53251290 + ... + 53251303.

It is an arithmetic number, because the mean of its divisors is an integer number (213005188).

Almost surely, 2^745518151 is an apocalyptic number.

745518151 is a deficient number, since it is larger than the sum of its proper divisors (106502601).

745518151 is a wasteful number, since it uses less digits than its factorization.

745518151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106502600.

The product of its digits is 28000, while the sum is 37.

The square root of 745518151 is about 27304.1782700011. The cubic root of 745518151 is about 906.7468882816.

The spelling of 745518151 in words is "seven hundred forty-five million, five hundred eighteen thousand, one hundred fifty-one".