151045861 has 2 divisors, whose sum is σ = 151045862. Its totient is φ = 151045860.

The previous prime is 151045831. The next prime is 151045871. The reversal of 151045861 is 168540151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103917636 + 47128225 = 10194^2 + 6865^2 .

It is a cyclic number.

It is not a de Polignac number, because 151045861 - 2¹⁹ = 150521573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151045831) by changing a digit.

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 as a sum of consecutive naturals, namely, 75522930 + 75522931.

It is an arithmetic number, because the mean of its divisors is an integer number (75522931).

Almost surely, 2^151045861 is an apocalyptic number.

It is an amenable number.

151045861 is a deficient number, since it is larger than the sum of its proper divisors (1).

151045861 is an equidigital number, since it uses as much as digits as its factorization.

151045861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 151045861 is about 12290.0716434039. The cubic root of 151045861 is about 532.5613069077.

The spelling of 151045861 in words is "one hundred fifty-one million, forty-five thousand, eight hundred sixty-one".