151205045 has 4 divisors (see below), whose sum is σ = 181446060. Its totient is φ = 120964032.

The previous prime is 151205039. The next prime is 151205069. The reversal of 151205045 is 540502151.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15319396 + 135885649 = 3914^2 + 11657^2 .

It is a cyclic number.

It is not a de Polignac number, because 151205045 - 2⁴ = 151205029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151205045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15120500 + ... + 15120509.

It is an arithmetic number, because the mean of its divisors is an integer number (45361515).

Almost surely, 2^151205045 is an apocalyptic number.

It is an amenable number.

151205045 is a deficient number, since it is larger than the sum of its proper divisors (30241015).

151205045 is an equidigital number, since it uses as much as digits as its factorization.

151205045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30241014.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 151205045 is about 12296.5460597682. The cubic root of 151205045 is about 532.7483262121.

Adding to 151205045 its reverse (540502151), we get a palindrome (691707196).

The spelling of 151205045 in words is "one hundred fifty-one million, two hundred five thousand, forty-five".