151720045 has 8 divisors (see below), whose sum is σ = 187937280. Its totient is φ = 117460560.

The previous prime is 151720033. The next prime is 151720069. The reversal of 151720045 is 540027151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 151720045 - 2⁵ = 151720013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489265 + ... + 489574.

It is an arithmetic number, because the mean of its divisors is an integer number (23492160).

Almost surely, 2^151720045 is an apocalyptic number.

It is an amenable number.

151720045 is a deficient number, since it is larger than the sum of its proper divisors (36217235).

151720045 is an equidigital number, since it uses as much as digits as its factorization.

151720045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978875.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 151720045 is about 12317.4690988043. The cubic root of 151720045 is about 533.3524826024.

Adding to 151720045 its reverse (540027151), we get a palindrome (691747196).

The spelling of 151720045 in words is "one hundred fifty-one million, seven hundred twenty thousand, forty-five".